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:

the correct answers are 1, 2 5, 6

bloodiest single day of war   |   gettysburg

where the civil war ends for good   | appomattox court house

the first major land battle; south wins | bull run/manassas (va)

gives union control of the mississippi river |   vicksburg

lee’s first tactical defeat; big win for union |   fort sumter1

with lincoln's re-election |   atlanta

south wins

splits confederacy in two for the duration of the war,

antietam