2nd Amendment- The right to bear arms which means every citizen in the US over 21 has the right to own a firearm.
Answer:
This is driven by a number of factors, alone or in combination, such as drought, climatic shifts, tillage for agriculture, overgrazing and deforestation for fuel or construction materials
Explanation:
<span>Assuming that this is referring to the same list of options that was posted before with this question, the best answer from the list would be a "system in which land was granted to citizens for free in order to persuade them to move to land that needed farmers" since this was a vital way for the US government to assure that land didn't go unworked. </span>