Answer:
Try "Men to Columbia"
It seems to be men are in boats, sailing to Colombia, or some other place. But based on the title of this masterpiece, more likely Colombia. And back when this painting was created, men were more likely to sail, than any more genders.
Im stuck between a and d its like they both seem right, sorry.
The leader that took over after Stalin was Nikita Khrushchev
A push factor is best defined as factors that makes you leave your country.
1)increase the army
2)stay in peace with everyone
3)not attack there countries