Ecological release refers to a population increase or population explosion that occurs when a species is freed from limiting factors in its environment
Answer:
a great result of the crusades were advances in military technology. After the initial invasion, crusaders fought a largely defensive war, which led them to become particularly skilled in the art of building castles.
Explanation:
It's b if not try c but I'm 100% sure that it is b.
I think it is the last one "The united states government saw Iraqi leader, Saddam Hussein, as a threat to peace and United States interests in the religion."
