It showed that there was an attempt by Germany for Mexico to help attack the US
WW1 was the first war that was truly global, for the war that started in Europe also affected nation's in the Asias as well as the Americas. With the subcontinent and a whole different continent combined, and with most of the world's country in the war, it can be described as the world's first world war.
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When the amount or goods increase the price for it increase
when the amount of goods decrease the price for it decrease
The Mongol Empire lasted only 100 years.
The Mali Empire lasted a little more than 300 years.
