Well According to the author, why did a Mexican force attack Zachary Taylor's troops when they arrived at the Rio Grande River? ... Polk was not fighting to protect Americans on American soil, he was provoking the Mexican government into firing the first shot.
The transcontinental railroad impacted the indians bad since they had to give up their land in order for it to be in place
Richmond, Virginia I believe was the last city to fall
<span>He did not, he said it did not need explanation.</span>
