The president cannot make laws. Only the legislative branch (the Congress) can make laws. But the president can certainly veto laws and make official appointments. And as commander-in-chief of the military, the president also oversees the armed forces. So the only power in your list that the president does NOT have is to make laws.
There were several ways in which the US government increased Mexican immigration, but the best option is "congress passed laws saying that all Latinos fleeing dictators are welcome"
~~Hewo~~
The answer to your question is D.
<em><u>Bring about the overthrow of Cuba's communist government.</u></em>
Hope this answers your question!