Impact on the world. Very big impact and can't do less then 5
In order to ensure that they had the water they needed for their farms, the Inca built large canal systems to irrigate, or bring water to, their fields. The canals also brought water to the cities. Many streets had supplies of fresh water running through a canal.
It's based on the Voting Rights Act of 1965. This prohibits the states and various political parties from putting voting qualifications or any other requirements in order to proceed with voting. Take note that this is all for the sake of the Civil Rights of the citizen so that everyone will be able to have a fair way to vote - regardless of status and color.
Before this happened, take note that only a few African Americans had access to voting. There were even tests conducted to see if they are worthy for voting - indicating a bias in their colored race.
There were more than 1 person running for president, meaning it was the first contested election
741.4 million it is very easy to get all u do is try google