What was the purpose of the War Production Board (WPB)?

Why was it difficult fpr unions to succeed in the 1800s

Explain how zollverein, a tariff agreement, to unite the german states.

Why did the meiji reformers want to modernize japan a) to colonize weaker nations in south east asia b) to allow western nations to protect them and treat negotiation c) to compete with the economics and military of western nations d) to replace additional prices with weston culture