<span> C. German expansion and British appeasement</span>
By traveling through the Oregon Trail on wagon trains together, people could rely on each other for survival.
Answer:
The concentration of administrative power in a central government, authority, etc. Chiefly Sociology, a process whereby social groups and institutions become increasingly dependent on a central group or institution. Concentration of control or power in a few individuals.
Explanation:
A administrative basically has power for themselves individual
Answer D is false. The germans used a ton of airplanes for their Blitzkrieg tactic. Allied bombers hurt the german economy, crippling their war macine. And most of the pacific victories of the US against Japan, such as the sinking of the yamato, was mostly because of the air force the US possesed.