1. Military conquest.
2. Creating a puppet state.
3. Taking control of economic activity in a nation.
<span>On April 2, 1917, President Woodrow Wilson asked Congress to declare war against Germany, saying, “The world must be made safe for democracy.” Four days later, Congress voted overwhelmingly in favor of a war declaration.</span>
They fought over the moral issue of slavery.
Butt this is what google told me xD
They fought over many reasons like...
Industry vs. Farming. ...
States' Rights. The idea of states' rights was not new to the Civil War. ...
Expansion. As the United States continued to expand westward, each new state added to the country shifted the power between the North and the South. ...
Slavery. ...
Bleeding Kansas. ...
Abraham Lincoln. ...
Secession. ...
Activities.
The reason is that there is a water shortage happening there. They needed to conserve water and be supplied from sources. Right now there are strict measures in the use of water in that area to ensure that it does not go to waste.