Are there option choices or not? if not, it’s an opinion. i think one of the most significant inventions was the cotton gin or the telegraph. without the cotton gin clothes would still have to be sewn by hand. and without the telegraph, cell phones would not be as advanced.
I would say A.) Granting Professional Licenses
The correct answer is <span>remove racial barriers to voting
Although African-American people had the constitutional right to vote, they couldn't vote because they either had literacy test to pass or had poll taxes to pay which they couldn't so they were legally segregated and not allowed to vote. These laws abolished all such practices and all people were given equal voting rights.</span>
<span>http://teachingresources.atlas.illinois.edu/chinatrade/introduction04.html</span>
