What crop allowed the early english colony of virginia to become profitable and survive

Tobacco! Settlers in Jamestown realized that they could sell Tobacco to European countries to make lots of profit, since Tobacco was considered a luxury. Jamestown was able to survive due to all the commerce that was created around shipping Tobacco back to Europe.

Both built large militaries ( militarism) and japan, like germany, invaded neighboring countries (china, philippines) in order to build a new empire.