Trenches sheltered troops from atrillery and machine gun and rifle gire from across no mans land
Might not be what you are looking for but many americans moved into the suburbs
I would like to say C, because they were imperialistic power who sought out many colonies through out the world and they were heavily militaristic about these colonies. But I would wait for a second answer before you choose C, as I am unsure of this.
17 d because laissez faire is no or very little govt regulation in the economy and business 18 not sure I would go with a or d