Which of the following were challenges that immigrants faced during this time period? Check all of the boxes that apply. Immigrants had to learn Irish customs.

New immigrants faced religious prejudice.

Cities became overpopulated and overcrowded.

The western frontier closed.

The world trade organization (wto), which was formed in 1995, trades without discrimination. which of these best describes what this principle means? all its member countries charge the same prices for basic commodities such as wheat and lumber. b) all its member countries do not trade with countries which had discriminatory racial policies. c) all its member countries trade only with countries that sign the wto agreement. d) all its member countries open their markets equally to all member nations. answer is d