The answer to this question is B because this prevent the president from having too much power.
As a result of economic growth during the 1950s, the percentage of Americans who were in the middle class "increased dramatically". This was due primarily to the fact that there were far more jobs available, since World War II had helped create them.
The thing that caused the Indian removal act was the fact that "In 1828 Andrew Jackson was elected president of the United States, and he immediately declared the removal of eastern tribes a national objective. In 1830 Congress passed the Indian Removal Act, which authorized the president to negotiate removal treaties.Jul 23, 2018
Cherokee Removal | New Georgia Encyclopedia
https://www.georgiaencyclopedia.org/articles/history-archaeology/cherokee-removal "
<em>I read the question confused, they did not change at all still bad. </em>
Answer:
Sponges were among the earliest animals. While chemical compounds from sponges are preserved in rocks as old as 700 million years, molecular evidence points to sponges developing even earlier.