Answer:
World War I Germany's unfettered submarine warfare against American ships during World War I provoked the U.S. into abandoning the neutrality it had upheld for so many years. The country's resultant participation in World War I against the Central Powers marked its first major departure from isolationist policy.
Explanation:
bartering of goods for each other
Explanation:
After the decline of the Indus valley civilization, Vedic age started in the Indian history. Generally dated, between 1500-600 B.C. as most of the modern scholars agree on this date. References point to the use of barter system and metallic currency in that age. In the Vedic Age, the cow stood as a higher unit of barter and cowrie-shells were used for lower purchase
I think that was the imperceptible
Confederate general who won the First Battle of Bull Run. Southern general who was offered command of the U.S Army, but turned it down because his home state seceded from the union.
