Which federal policy would violate the powers reserved to the states
o negotiating with leaders of foreign countries
d establishing military bases in state capitals
o drafting citizens for military service
o requiring states to teach a specific curriculum

The last one "requiring states to teach a specific curriculum"

Explanation:

There is nothing in the constitution giving the federal government that right and all other rights are given to the states and people.

The correct answer is A) a higher chance of reelection.

A potential benefit for a government leader using cost-benefit analysis is a higher chance of reelection.

A correct and useful method of decision-making is CBA or better known as cost-benefit analysis. This method is very simple. You compare your advantages to the disadvantages of the decision. You collect the information at hand and then proceed to make the best decision. In 1840, Julies Dupuit who was an Engineer from France started to use this method successfully. That is why is correct to say that a potential benefit for a government leader using cost-benefit analysis is a higher chance of reelection.