The answer is D because it limits the presidents power as any treaty making requires at least a 2/3 majority in the Senate.
The correct answer for this question is "a. they demanded that traders who passed through their empire pay high taxes." O<span>ne strategy that the aztecs used to expand their empire is that they </span><span>demanded that traders who passed through their empire pay high taxes.</span>
To basically make sure you've made your claim clear, and to re-instate your claim just one last time, and add any examples you've missed.
<span> The Fertile land and supported a food surplus </span>