Which of the following is not a proportion?

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.

The mongols were descendants of a. pastoral nomadic tribes b. tibetan tribes c. shang nobility

In the united state, a system for interaction between unmarried men and woman that casual dating with the purpose of marriage was called