According to steffens, what was the purpose of muckraking journalism?

Which of the following is/are a major technological advances of the mayan civilization? a. the calendar c. math b. architecture d. all of the above

Which is not a claim kennedy made? a. the fact that communist cuba is so close to american soil is one reason we need to accelerate our space program. b. his decision to shift the study of space to one of the highest american priorities was one of his most important decisions as president. c. within these last months at least 45 satellites have circled the earth. (i think it's this one) d. the mariner spacecraft now on its way to venus is the most intricate instrument in the history of space science. i need this answer really quick, so .

Popular sovereignty is the principle that governmental authority is derived from the people. under this principle, government governs with the consent of the governed. explain this concept in your own words. is this principle important to you? why or why not?