Can you help me please with my civics question it’s hard and I will give you a brainless

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.

Why did the outbreak of world war 2 create a need for new military bases across the country?

What role does an american citizen play in its own government ?