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.

What explains the increase in life expectancy in botswana? a. the increased availability of jobs and an improved economy b. access to antiretroviral drugs, hiv/aids education, and widespread hiv/aids testing c. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates d. a recent military coup that led to an improved healthcare system select the best answer from the choices provided.