Answer: D
Explanation: i believe it is d
The changes that the Aryan migration brought to India was the Aryans established the caste system and helped develop Hinduism. The correct answer is C.
Answer:
In fact, industry had made the U.S. the richest nation in the world at this time. The Second Industrial Revolution caused growth in industry and transportation, which allowed increased trade between nations. Combined with a merchant marine capable of transporting goods by sea, a world economy began to form.
Please vote brainliest
This is called the spoils system
3. Creation of a secret police organization OVRA
It should be right but sorry if it isn’t correct.