B. Constitution
...is the answer to your question :)
Communities with war industries experienced an immediate labor surplus when those industries closed down, and the large numbers of returning soldiers added to the unemployment problem.
The decline of Olmec society might have been caused by civil conflicts. Conflicts among the citizens of this society are likely to have been the cause of its downfall.
This region was also politically unstable as there were different ethnicities and there was also rising nationalism in the region. Nationalism brought about tensions. There was also rising Serbian nationalist groups. Combined with the brinkmanship of the European Powers the area became a fuse to the powder keg that Europe had become. The Balkans has strong Cultural, Religious, and language ties to the surrounding Empires but they were in small pockets making nation building difficult.
Answer:
(See explanation below for further details)
Explanation:
Why did World War II become such an aircraft-dependent war?
Due to the need of destroying enemy infrastructure without needing the direct presence of infantry, minimizing human losses.
Why did the Allies have an advantage in the skies?
Since the Allies had a bigger industrial capacity for manufacturing thousands of airplanes in short time and a well-developed logistics to move them to the battlefront and keep them operational.
