History is hard. which of the following was a central public concern behind the russian revolution that overthrew the tsar in february 1917? people were angry about the terrible losses in world war i. people wanted to establish a communist state. people were angry about the lack of news about the war effort. people wanted to establish a permanent democracy.

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

answer; ///i believe that the correct answer is ; hieroglyphs or glyphs; the maya script, also known as maya glyphs, was the writing system of the maya civilization of mesoamerica; as always plz check first..good luck