Why did the Portuguese built Fort Jesus

Fort Jesus, located on the edge of a coral ridge overlooking the entrance to the Old Port of Mombasa, was built by the Portuguese in 1593-1596 to protect their trade route to India and their interests in East Africa. ... Mombasa became Portugal's main trading centre along the East Coast of Africa.

Same like that

the answer is a new goverment.

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.