The united states entered the war because Germany was using submarines to sink our trading ships, they also sunk a passenger ship called the Lustitania, which killed many civilians. Another reason they entered war was because Germany sent the Zimmerman telegram that they sent to Mexico to try to have them enter the war against us. The telegram said that if they helped Germany, Germany would help them get land back that they lost during the <span>Mexican–American War</span>.
Imperialists seeked possession of colonies that had extractive economies because they wanted to gain the advantage of the global resources.
It led towards the partitioning of the subcontinent. If you want to learn more about the reason why this happened, it's because of their notable differences in religious perspectives. Instead of causing chaos in India, they just decided to separate the subcontinent instead.
