I'm pretty sure this statement is true, but you may want to do some research on it. <span />
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the one having to do with the people ultimately being in charge of their government. </span></span>
Tariffs on imports
The 1920s presidents began a system of tariffs on imported good to encourage spending on American goods only. However, with no trade, European countries were unable to make money.
Tariffs are taxes on imported goods. This is a common economic policy of conservatives.
Immigration does not fall under the domestic policy. A domestic policy differs from foreign policy, which refers to the ways a government advances its interests in world politics.