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
It grew out of the religious revolution
Answer:
C. To unify all Native Americans and force the United States to give all Indian tribes the land they deserved
Explanation:
Tecumseh firmly believed that all Indian tribes must settle their differences and unite to retain their lands, culture and freedom. Tecumseh led his followers against the United States in many battles and supported the British during the War of 1812.(https://www.history.com/topics/native-american
-history/tecumseh)
John Calvin was a famous French theologian and a major leader of the Protestant Reformation. He helped popularize the belief in the sovereignty of God in all areas of life, as well as the doctrine of predestination. The theological approach advanced by Calvin has come to be known as 'Calvinism.'