Please Help What type of immigrant policy did the U. S. have until the 1880s?
1.) Whites Only Policy
2.) Strict Numbers Policy
3.) Open Shore Policy
4.) Political Refugees Policy

Which action allowed farming to be expand into west texas? a inventing a new plow b developing dry farming c increasing demand for cotton worldwide d declining of the cattle ranching industry

Who was put in the concentration camps? and why

Countries that are neither core nations nor peripheral nations