Answer
It facilitated the development of Pre-Columbian civilization
Explanation
Agriculture facilitated the use of genetics to grow better crops for their areas. Through effective agricultural practices, people were able to stay in one place and grow surplus food thus helping the whole society to thrive well. The availability of surplus products made the population of Pre-Columbian America to increase. People were then able to live in permanent villages that in the long-run developed self-governing systems. There was division of labor that facilitated the trading of goods between different villages
The way that federal legislation since the 1980s reflected American concerns about potential negative effects of international migration was: <span> it has increased requirements for migrants seeking citizenship
The abundance amount of migrants will increase the total welfare expense that the country has to spend and will pretty much shrink the potential jobs available for our own citizen. As a response for that, we regulate the citizenship process and only allowed the migrants that would increase our economic capabilities.
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The Answer is clearly D.salt.
