Why was the settlement of Jamestown historically significant?

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 person was influential and trying to ease race relations in america during the early part of the twentieth century

What was the overall impact of eli whitneys introduction of interchangeable parts?