to a certain extent. the rovers are meant to be stable in the conditions of cars along with it's gravity levels. these factors can fluctuate depending on the planet. other factors, such as wheel grip along with the inside work (wires and stuff) do not change too much.
Why the US won the space race?
Conclusion of the Space Race. By landing on the moon, the United States effectively “won” the space race that had begun with Sputnik's launch in 1957. For their part, the Soviets made four failed attempts to launch a lunar landing craft between 1969 and 1972, including a spectacular launch-pad explosion in July 1969.
They moved to the new world to practice religious freedom
Because he was exiled by his country and anyone was a liberty to take his life if he returned. Anyone who was caught helping him was going to face consequences.