Answer:
because japan bombed pearl harbor and sunk the lusitania forcing us to go to war
Explanation:
It was the nineteenth amendment, it made equal voting rights for men and women
Were given permission to punish non-native american tresspassers.
Answer: D.
Explanation: The U.S. sends people to discuss environmental issues with China.
The key waterways in the south during the civil war were: Mississippi,Ohio and Tennessee rivers
Both side aware that controlling these rivers would cut down oppositions food and weaponry supplies along with limiting the opposition's ability to mobilize. The union army managed to leverage on this situation better than the Confederates, leading to the union's victory during the civil war.