Why could rovers be used to explore mars but not venus

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.

What was gained through the gadsden purchase

Why would the rumor of a government contract change the value of this companys stock