Answer:
19 -B --> makes the most sense based on the events in the diagram
20- C --> this is a long-term effect
The First Amendment (I amendment) provides that Congress make no law respecting an establishment of religion or prohibiting its free exercise. It protects freedom of speech, the press, assembly, and the right to petition the Government for a redress of grievances. So, no.
Group A describes results of the California gold rush
(4)Asia and Europe
The Silk Road began in China and ran westward through Asia ending in the Anatolia Peninsula.
The Silk Road was a trading route which brought Asian goods westward to Constantinople. The road began in Hangzhou and Guangzhou, both port cities in China. The road forked north and south going into the Indian peninsula and through the Persian Empire.