Could you rephrase your question please?
Answer:
OD is the answer.
Explanation:
The wave of immigrants (not a bad thing at all btw) being from mostly Northern and Eastern Europe were mostly Roman Catholic and had high literacy rates.
The ¨Know Nothings¨ nativist groups hated the amount of immigrants coming in + ¨taking their jobs¨ and often persecuted them.
Making medicine impacted the Gupta Empire because there were less deaths, more ways to cure people of disease. It helped with the birth rates too, since usually back then alot of women died during labor.
Answer:
the order would be B, D, C, then A
Hinduism is the world's oldest religion, according to many scholars, with roots and customs dating back more than 4,000 years.