There is many reason, one way they could've been worried about is if the
new settlers would make war or take their land and food.
Another way is that they could've cause the Mexican to come of their land.
Hope it helped
Answer:
In 1810, he used the name “Aztecs” to describe the powerful Mesoamerican people who had built a vast empire in Mexico and who encountered the Spaniards in 1519. He adapted the name Aztec from the Nahua word Aztlan, which referred to their mythical homeland.
Explanation:
Military leaders were not prepared for the trench warfare of world war i, in which:
ANSWER: 4th Choice: opposing forces fought each other from elaborate systems of trenches without much loss or gain of land.
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