Why did japan want to seize other countries

Which of the following is one example of an ideological conflict that became one of the causes of world war ii?

Migration the ability to meet current needs without reducing the ability to meet future needs 2. immigration the leaving of one's homeland to settle in a new place 3. migration a situation in which the birth rate is not sufficient to replace the existing population 4. overpopulation the movement of people to a new country 5. sustainable development the increase in the population of a city 6. underpopulation a situation in which resources are being used up at a faster rate than they can be replenished 7. unsustainable development a situation in which the number of people exceeds the available natural resources in an area 8. urbanization the movement of people from one place to another

What state did jiang jieshi take to unify china in 1925? the answer is: he teamed his nationalist forces with communist forces (grandpoint)