What are the physical features that would account for the language diversity in africa?

(ap human geography)

Blues music is characteristically in a 4/4 meter true or false

What is the rationale for government provision of education? -not all incomes are equal, but everyone has the right to education regardless of wealth. -potential students consider only their personal benefits gained from education, but the rest of society benefits, too. -no education would be provided in the absence of government provision because everyone would consume it without paying. -the cost of providing education for the entire public is too large. -the government can provide education at a much lower cost than the private sector.

Briefly explain how one development from the period 1861 to 1865 not directly mentioned un the excerpts supports mcpherson's argument