I'm pretty sure the answer is C he built a steam boat called the North River steamboat also known as the Clermont.
Oh now i get it.
Well the answer should be in a general election, each state has officials who count and CERTIFY votes.
The officials have to make sure that the people who give their vote have the credibility and rights to voice their vote, to avoid any sort of Election fraud that may negatively effect one candidate.
If US settlers decided to settle in Texas, they would be covered by the Mexican Colonization Law that stated that they could get large pieces of land cheaply, they would have tax cuts, and they would also have increased protection from the Mexican government.