The first city states evolved in (or near) mesopotamia.
The correct answer to this open question is the following.
Although you did not include options, we can say the following.
The aspect of American democracy that first emerged because of disparities in size between the colonies that became the United States was the Connecticut Compromise.
We are talking about the difficult moment in the Constitutional Convention of 1787 in Philadelphia, Pennsylvania. Federalists and Antifederalists were discussing their own postures, delegates from the colonies tried to defend their interests, and some plans such as the Virginia Plan and the New Jersey Plan confronted the delegates.
After so much discussion, the Connecticut Compromise, also known as the Great Compromise of 1787 was the agreement between small states and large states that established the representation in Congress.
The Black Death is very important because it is one of the largest epidemics in history, killing the majority of the population in the middle ages.
The foreign policy bureaucracy comprises of agencies that represent the government on diplomatic assignment. Their work includes conducting international negotiations such as on international trade, administering foreign service and carrying out diplomatic relations. International trade enables exchange of goods and services between the U.S and other countries as well provision of information to U.S businesses on trade and economic policies.