What two kinds of government would be considered farthest apart in terms of placing importance on popular sovereignty

Democracy and Dictatorship are the two kinds of government would be considered farthest apart in terms of placing importance on popular sovereignty. Democracy is a system of government by the whole population or all the eligible members of a state, typically through elected representatives, while the government rule by absolute, imperious or overbearing power control is a dictatorship.

the answer is democracy and dictatorship

In a democracy, we held popular sovereignty as the basis of our government, where the citizens have the power/influence to choose which type of Regulations that we prefer by choosing the right representative.

In a dictatorship, only the head of the nation could determine the regulations in the country.