The correct answer is d. hunting -gathering.
Hunting and gathering was already existing before this : in fact the neolithic revolution was going away from this lifestyle and starting farming and domestication of animals.
Answer:
Mineral industry
Explanation:
The most important industry in the American industrial development process is the mineral industry. In industrialization in general, the use of energy and mineral resources is essential.
The U.S. has a large diversity of mineral deposits, such as coal and iron, which are abundant. However, there is a dependence on petroleum due to the decrease in oil reserves and other minerals, making it the largest importer of minerals in the world.
We can see this because the U.S. is the nation that most consumes these resources. The proof of this is the American's cars, with their majority having powerful engines of 8, 10, and 12 cylinders, which consume much fuel.
I think the answer to your question is Red Scare because I have never herd of the Red Smear before.
I'm guessing they have less effective medical treatment and more mosquitoes.
The Catholic Church dominated the continent of Europe so virtually everyone was Catholic and because of this The Catholic Church was extremely powerful and influential in society.
