How U. S. presidential races work, including party nominations, campaigns, and general elections?

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Explanation:

The president and vice president of the United States are elected in an indirect election in which people of the United States who are registered to vote in one of the fifty states or in Washington, D.C. cast ballots for members of the Electoral College rather than directly for those posts. A candidate must normally win a majority of delegates to become the presidential nominee. It is then confirmed in the national convention by a vote of the delegates. If no candidate receives a majority of a party's delegates during the primaries and caucuses, the nominee is chosen by convention delegates. Candidates who want to run for president begin campaigning for their party around a year before the election (think: speeches and online advertisements). They strive to persuade members of their own party why they believe they are the ideal candidate. When election day comes, citizens cast their ballots at a local ballot-casting office. Following the general election, each elector casts one electoral vote, for a total of 538 electoral votes. The election is won by the candidate who receives more than half of the votes (270).

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!

the answer is d. amendments.