How did industrialization contribute to the formation of socialist political parties and trade unions?

Read each statement and decide whether it applies to ellis island, angel island, or both: 1. most immigrants were from china or another asian nation. 2. immigrants had to pass health inspections before being admitted to the united states. 3. immigrants could be denied entry or sent back to their home countries.

Rachel carson 1962 silent spring was a groundbreaking work regarding what topic

Approximately how many americans, from both the north and the south, were killed in battle during the civil war?