Naruto's power of the Nine - Tails would be a major factor. In the past, the Nine - Tails was feared and hunted. If Naruto shows up with the power under control, it could change how people view the beast. His chakra reserves, which are huge because of the Nine - Tails, could allow him to perform feats that were previously thought impossible in the past, like quickly rebuilding a village or fending off a large - scale invasion on his own.
His powers would not only affect battles but also the political situation. Naruto is known for his ability to inspire. In the past, if he uses his powers to help a small village, that village might grow stronger and change the balance of power among the ninja clans. His ability to sense danger and his speed could also prevent assassinations or other underhanded tactics that were used in the past to gain power, thus altering the course of ninja history.
Naruto's powers, especially his Nine - Tails chakra, could have a huge impact. He could use it to fend off stronger enemies much earlier. Hinata's Byakugan would give her an edge in predicting enemy moves. They could use their powers together to change battles that were originally lost. For example, Naruto could use his Rasengan more effectively with Hinata's support and knowledge from the future.
His powers might also influence the people in the past in unexpected ways. Maybe his dark chakra could seep into some characters and start to corrupt them earlier than in the original story. This could lead to new alliances and rivalries forming, completely different from what happened before. For instance, a character who was originally a hero could be turned into a villain because of Dark Naruto's influence.
Sasuke's Sharingan abilities would also be a game - changer. He could potentially use it to gain an edge in battles or to uncover secrets that were not known in the past. However, if he overuses it, it could also arouse suspicion among the Uchiha clan and other ninja. For example, if he uses his advanced Sharingan techniques to defeat an enemy too easily, it might make people wonder where he learned such skills.
Well, his powers would also attract a lot of attention. Scientists in the past might be intrigued by his abilities and try to study him. This could either lead to a better understanding of superhuman abilities in that timeline or it could create chaos as different groups try to capture him for their own purposes. His presence could also inspire others to strive for greater physical abilities.
Their powers could actually be beneficial in some ways. Boruto's ability to think on his feet and use his various skills could help in solving some past problems. Himawari's Byakugan could be used for reconnaissance in dangerous situations in the past. But they must always remember that any use of their powers could have a butterfly effect. So they would need to be cautious and consult with each other before taking any major actions with their powers.
Naruto's presence in the past could have far - reaching consequences for the future. His actions to save Kushina could potentially prevent certain events that led to the rise of villains in the original timeline. For example, if the Nine - Tailed Fox attack is thwarted successfully, it might change the circumstances that led to the creation of certain anti - village groups. Also, Naruto could influence the development of new ninja arts in the past, which could then be passed down through the generations and make the village even more powerful in the future.
Their powers are quite strong. They could easily overpower many of the villains in the past. This might lead to a quick end to some threats that were difficult to deal with in the original timeline. For instance, if they faced Frieza in the past, they could defeat him without much trouble, changing the course of the Saiyan story.
His powers would likely shock the past characters. They might see him as a great hope or a potential threat. If he uses his powers openly, it could change the way the Z - fighters train and view their own power limits.
Naruto's knowledge from the future could have a huge impact. He might introduce new fighting techniques or ways of thinking that were not present in the past. This could change the balance of power among the ninja villages. Also, his actions could influence the relationships between different clans. For example, if he befriends a clan that was previously isolated, it could lead to new alliances and change the political landscape of the ninja world.
His super strength could easily disrupt the past. For example, if he's not careful while trying to stop a crime, he might accidentally cause more damage than good. He could break things that were important in the original timeline.