Deserts caused by a rain shadow occur on the east (leeward) side of the sierra nevada range in california. why does the desert exist on the east side, but not the west side of the range

Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain