Someone plz help me :(

What best explains why the us government placed restrictions on asian immigration through angel island? many americans did not believe in assimilation. many americans did not approve of the gentleman’s agreement. many americans held nativist or racist views. many americans feared a loss of educational opportunities.

What event had weakened florida’s economy immediately before the start of the great depression? a) the freezing of orange trees b) the end of florida’s land boom c) the start of another world war d) the building of florida’s railroads

Each of the following countries was part of the big four at the paris peace conference except a. russia b. italy c. germany d. britain