What was the only country in asia that was never colonized by europeans

Need hurry need the answers you. which chinese city is located just to the north and west of macao and hong kong? a shanghai b pusan c beijing d guangzhou. 2. what land feature between china and mongolia? a south china sea. b yellow sea c the himalayas d the gobi

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain

What are the answers for the following questions?