Identify four cultural/racial groups who were not popular choices for coming to Canada.

Question

With each group identify four ways in which the federal Gov't systematically made it tougher for these people to immigrate to and to move around in the country.
Provide evidence of these policies.

Cultures:

Chinese.

Policies to keep out:
-head tax, fee to come into Canada

Events:
1503 increased tax to $500
1923 - they created the Chinese exclusive act.
-appologised - 1990

I couldn't find any other information in my book about the other groups, so Im wondering if you know of a good website thatll have all this information.