What was the main outcome of Joseph Stalin's collectivization policies in Ukraine?
A. Ukrainian generals rose to prominence as the leaders of Stalin's
secret police forces.
O B. Ukrainian leaders provoked a war with the Soviet Union by
declaring Ukrainian independence.
C. Ukrainian farmers suffered through a severe famine while being
forced to export grain.
D. Ukrainian communist organizations overthrew Stalin and seized
control of the Soviet Union.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.

im not sure on this one