<span>The birds on the island may
become reproductively isolated from the mainland birds through
geographic isolation. As a result, the gene pool of the birds that
colonized the island would remain isolated, and the birds may evolve to
become a new species as they adapt to their island habitat</span>
Not all slaves but most could not write.
<span>Building railroads stimulated the national economy not only by improving transportation, but also by creating a huge demand for iron, wooden crossties, bridges, locomotives, freight cars, and various kinds of equipment needed to operate railroads.</span>
The Morrill Grant act provided land to certain states to build colleges made for teaching agriculture and the mechanic arts. So this meant that there were many more college opportunities for more people who wanted to go in a different career path, such as farming or engine building and or making.
I hope that this answer could help, and I hope you have an amazing Tuesday!
It is harsh and critical like her personality and bold exclamations emphasize her passionate attitude.