Answer:
B
They allowed Europeans to navigate dangerous mountain passes.
Explanation:
The part of China that Japan invaded in 1931 was known as "Manchuria," and they did this mostly in order to gain precious natural resources that they greatly lacked.
The correct answer is C) Economics.
The study of how people satisfy unlimited wants with limited resources is called Economics.
Economics studies the production, distribution, and how people consume products and services in a determined market. Economics based its studies on the belief that resources are limited but people in a society have many wishes, desires, wants, and needs. So Economics studies all the factors involved in the process of getting raw materials and natural resources, fabrication, supply, delivery and the prices people pay to get something they want or need.
Foreign occupation gave the nationalists in the country a common cause to unite.
Explanation:
Foreign occupation is a phenomenon that has resulted in many nationalist movements across the world for a long time.
This is because the foreign rule in itself sows the common cause against which the nation can unite itself and then fight back or throw away with diplomacy their own rulers.
This common cause binds the thread of self determination and rule of the nation under one rule is what is requited for nationalism to rise and it happens here rather strongly.
The people of the nation set aside differences against a common enemy of the state.