Which of the following describes Black Sunday?

It was the first dust storm in the Great Plains.

It was the only dust storm Irene experienced.

It was a particularly severe dust storm.

It was the last dust storm in the United States.

this isn't a question and if you're going to list things be kind and use commas.

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.

how did the great awakening contribute to the develpment of the united states