The korean war began in 1950 when the

soviet union attacked south korea.
united nations invaded north korea.
communist north attacked the non-communist south.
people of korea rose up against the japanese.

The correct answer is: "Communist North attacked the non-Communist South".

The Korean War took place between 1950 and 1953 and it was fought, one one side, by North Korea, supported by China and the URSS and, on the other hand, by South Korea, that counted with the support of the US. The conflict started in June 1950 when North Korea launched a massive attack to invade the Southern half of the country.

c.

Explanation:

when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.