Describe some of the technical advancements of the sumerians

Sumerian culture built upon the ancient economic technologies of paying for expansion wars via taxes and debt. When all that failed, they also created widespread debt forgiveness, as in a periodic territory-wide “jubilee” event. That is to say, they helped invent debt-based ruling class defined capitalism, discovered that it consistently fails, and then patched over its inherent gradual failings via periodic system-wide reset.

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

the correct answer is: (1) affected by gerrymandering; (2) not affected by gerrymandering.

gerrymandering is known as a practice that intends to establish a some kind of political advantage for a particular party or group. to do this district boundaries are manipulated. the new resulting district is named a gerrymandering.

in other words, what gerrymandering does is to draw the boundaries of electoral districts trying to benefit the party who is doing it. sometimes, the party controlling the legislature will redraw it so they can maximize the number of districts they are likely to control.