Answer:
no, it was an ideological barrier
<span>The answer is letter B. B. The environmental
protection</span>
movement was supported by public.. .
Nixon was last to react on making environmental laws,
however, because of the awareness made through the Earth Day in the US, the
president was encouraged because of the response of the first Earth Day
Celebration.
Yes, because Nicolaus interviewed many of the people there.
Harriet Tubman aided slaves from the south to escape their captors. She courageously set up the Underground Railroad by marking trees, and whites who opposed slavery set up “safe houses” she also informed that if a slave were to get lost, to look towards the sky and find the North Star.
