Why did the commander of the united states navy, alfred mahn, support the idea of expansionism?

Trench warfare began after germany failed in its initial plan to seize france and bring a quick end to the war. negotiate a temporary truce with the allied forces. attack the allies by sea with its powerful navy. storm across the eastern front to attack russia.

What do you think should be the most important factor in president considered when picking a supreme court justice

What did the u.s. want to build on the land acquired through the gadsden purchase?