Answer:
Invasions by Barbarian tribes
Explanation:
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders.
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No military action led to the start of WW1; the catalyst to WW1 was the assassination of Franz Ferdinand, the archduke of Austria-Hungary. His murder by Gavrilo Princip – a Serbian nationalist, caused Austria-Hungary to declare war on Serbia, which drew the other European countries into the war due to their existing treaties of mutual defense.
A. Food. They fave out food surpluses that helped to lead to population growth and trade.
C.) the purchase ended up being very unpopular with americans
C.proposed by a two-thirds vote of both houses of Congress
