Answer:
They created the wheel and they created levees to hold back the floods from their fields and cut canals to channel river water to the fields
Explanation:
Native Americans would then be freed from the power of the states, happiness could now be pursued in their own way and it may help them to become a civilized community.
Opening territory to the settlement of whites.
The separation of the Native Americans from immediate contact to settlements of the whites.
The Southwestern frontier would also be strengthened.
For financial advantage of the government.
The Blue Nile and White Nile meet in <span>Khartoum, Sudan to form the Nile River.
Hope this helps :)</span>
More people are willing to have children if they believe there future will be prosperous and that they will be able to afford it