FDR wanted to reduce the number of Supreme Court justices from 15
down to 9 in an idea known as court packing.
O True
O False

The Wagner Connery Act made it illegal for workers to unionize. *
O True
O False

1. False

2. False

Explanation:

FDR wanted to expand the supreme court justices to 15 to make it more efficient

The Wagner act was pro-labor unions

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: