Answer:
Imigrants contribute to the US in many ways
Explanation:
Example : They work at high rates and make up more than a third of the workforce in some industries. Their geographic mobility helps local economies respond to worker shortages, smoothing out bumps that could otherwise weaken the economy. Immigrant workers help support the aging native-born population, increasing the number of workers as compared to retirees and bolstering the Social Security and Medicare trust funds. And children born to immigrant families are upwardly mobile, promising future benefits not only to their families, but to the U.S. economy overall.
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A- It established an agreement between Soviet U. ...
Read this again ur answer is in there in the 2 chunk of the paragragh