Why did japan invade manchuria in 1931?

choose all that apply.
question 1 options:

to gain natural resources

to access their industries and ports

to protect them from the u. s.

because china declared war on them

- to gain natural resources

- to access their industries and ports

Explanation:

Japan was preparing for expansion, but it needed a proper reason to justify an attack on another country, in this case China. In order to have a reason Japan actually staged an attack over Japanese businesses in China, and used that as an excuse. Japan immediately attacked China, and quickly managed to take over Manchuria. The reasons why Japan has set its sights on Manchuria was that Manchuria had natural resources, especially lot of fertile land, as well as lot of industry and important ports, which Japan wanted in order to boost its economy.

i also think it is c