Aperson becomes the leader of a democracy by a) taking power by force. b) being elected by popular vote. c) being the first-born child of the previous leader. d) receiving votes from the peoples' representatives.

Seriously?  Did you try looking up "Democracy" on Google??  In case you don't know what Google is, the answer is B.

B)being elected by popular vote.

Explanation:

In a democracy, leaders receive their position by being elected by popular vote. In other words, the people directly vote the person into leadership.

the united states constitution is the supreme law of the united states. the constitution, originally comprising seven articles, delineates the national frame of government. its first three articles embody the doctrine of the separation of powers, whereby the federal government is divided into three branches: the legislative, consisting of the bicameral congress; the executive, consisting of the president; and the judicial, consisting of the supreme court and other federal courts. articles four, five and six embody concepts of federalism, describing the rights and responsibilities of state governments, the states in relationship to the federal government, and the shared process of constitutional amendment. article seven establishes the procedure subsequently used by the thirteen states to ratify it. it is regarded as the oldest written and codified national constitution in force.

yeet yeet yeet yeet yeet yeet yeet yeet yeet yeet