Which statement correctly describes one of Aryabhata’s contributions to the sciences? He discovered how eclipses work.
He created vaccines to prevent diseases.
He created new surgical procedures.
He discovered new chemical reactions.

Which sentence describes william henry harrison's contribution to the us efforts in the war of 1812? a. he was responsible for securing the us coast against british warships. b. he successfully kept the american indians out of the war against britain. c. he defeated the american indian forces at the battle of the thames. d. he was responsible for building an alliance with the creek tribe. e. he successfully kept the british army from entering washington dc.

Which of the following was an effect of allied defeats and high casualty rates on the eastern front? the united states issued the fourteen points. russia entered the war on the allied side. the united states entered the war sooner. russia experienced a revolution and dropped out of the war.

-what is one question you might ask after reading the fred munguia's story?