Escaping a war in one’s country of origin as a reason for immigrating to another country is an example of a
The baby boom generation is significant because it was
Which factor drew many Americans to the suburbs?
Look at the map.Based on the map, which region of the United States has the highest Latino population?

In the latter half of the 20th century, a significant population movement within the United States was toward the Sun Belt region. What was a main cause of this migration, and what challenge did it create?
Which is an example of a pull factor resulting in immigration?
Because of the baby boom, senior citizens make up
Which phrases best summarize the US population in the twenty-first century?
Read the passage from the Houston Chronicle about air quality in Houston in 2019. “I’m surprised and disturbed that Houston’s air quality worsened in this year’s [American Lung Association ‘State of the Air’] report,” said Luke Metzger, director of Environment Texas. “The trend since 1999 had been one of steady progress and instead now it seems we are backtracking and that’s bad news particularly for the hundreds of thousands of people who have asthma or other vulnerable populations like senior citizens. . . .”Current models estimate that more than 60 percent of ozone pollution is from cars, according to Raun, and to address that, the city is trying to encourage practices such as the use of mass transit and transitioning to fuel-efficient or low-emission vehicles.How is Houston trying to combat increasing ozone pollution?
Which statement best describes illegal immigration to the United States today?
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