The 18th Amendment called for the banning of the manufacture, sale, or transportation of alcoholic beverages. The Eighteenth Amendment is the only Amendment to ever have been repealed from the United States Constitution–via the inclusion of the Twenty-First Amendment.
I believe the answer is: serve at homeless shelters.
The help that given through a community service tend to target small/local area.
Service through army is for a nationwide area, so option A is wrong.
Signing up for peace corp is affecting world wide area, so option B is wrong.
Take part in teach America is a form of service with nation wide influence, so option D is wrong.
That leave us with serving at homeless shelters.
The ex-slave who started Fort Mose was <span>Gracia Real de Santa Teresa de Mose, in 1738. Fort Mose is located in Florida, and was the first legally free sanctioned settlement.</span>
Nomadic people were hunters and gatherers so resources and animal population were probably a factor in their movement