What does the existence of slave auction in the district of columbia say about the us?

It demonstrates the centrality of slavery in the national life from the founding of the Republic up to its abolishment in 1865.

Explanation: Slavery was a central institution in American life

question 10: the answer is c, to their constituents address a problem.

question 11: i think it would be domestic bills, which deal with american issues only and public bills, which affect the whole nation.

the amount of the purse is, $120.

tax rate =9%

first find the the total tax she paid on the amount is equal to the 9% of $120 i.e,

now,

total amount paid by shalika = $120 +$10.8 = $130.8