To what extent did laws and policies protect minority groups from 1865-1900 ? HELPPP GUYSS

Look at the map of cities in the united states at the turn of the twentish century what impact did railroads have on cities across the united states at the turn of the twentish century

World war i brought increased immigration to the united states from which country? germany france italy mexico

What major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps