Answer:These claims suggest that immigrants contribute to economic growth by increasing the supply of (or attracting) capital as well as the supply of labor. Rosenberg (1972: 32–33) concludes that immigrants to the United States also brought European technology that increased the productivity of American industry.
china fell under the complete control of foreign countries
<span>Post-classical history is a periodization commonly used by the school of "world history" instead of Middle Ages which is roughly synonymous. The period runs from about 500 to 1450 AD though there may be regional differences and debates. Hope this helps!!!</span>