The Soviet Union supported North Korea because it gave them a buffer zone from a United States ally
They had a rocket production at Redstone Arsenal, helicopter training at fort Rucker (Alabama)
The correct answer to this open question is the following.
The driving forces for the hunter-gatherers were the following. The most important driving force was survival. They basically needed to follow the herds to hunt them and feed their families in order to survive under difficult climate conditions. It could be hot days or cold days. They had to continue the hun and on their way, they collected fruits, seeds, and vegetables that also served well to feed their families.
These hunter-gatherers humans were formed by a few members. It could have been some families or a small group of people that strove for survival.
The large size of the market for European products. The triangular Atlantic slave trade is believed to have been the most convenient and profitable trade route. This is because Ships leaving Europe were only required to carry trade goods on their way to Africa. On arrival to Africa exchange of the goods for slaves took place. To Europeans the trade was always to their favor since cheap goods were of more value to poor African states who complied effectively in the trade.
Immediately prior to World War I, the only nation that challenged British naval supremacy was the Imperial German Navy. Since the British had entered amicable treaties with other European (France, Russia) and Asian powers (Japan) only the German Imperial navy remained as an opponent to the British naval supremacy.