<span><span /><span>a major political
unit having a territory of great extent or a number of territories or
peoples under a single sovereign authority;
<span>
especially
<span>
:one having an emperor as chief of state </span> </span> </span>
<span /><span>the territory of such a political unit </span> </span>
<span>
<span>something resembling a political empire;
<span>
especially
<span>
:an extensive territory or enterprise under single domination or control </span> </span> </span>
</span>
Travel, and a source for drinking water and water for vegetation.
Their was a lot of tension and hard ship. riots around the country broke out, presidents were assassinated over it. murders, terrorist groups were made from the tension.
Answer:
The impact of the United States joining the war was significant. The additional firepower, resources, and soldiers of the U.S. helped to tip the balance of the war in favor of the Allies. When war broke out in 1914, the United States had a policy of neutrality.
