In 1830 he started an abolitionist paper, The Liberator. In 1832 he helped form the New England Antislavery Society. When the Civil War broke out, he continued to blast the Constitution as a pro-slavery document.
The use of bartering to trade goods, instead of money
The answer is b,c,d. I hope this helps someone.
The Triple Entente WAS NOT an alliance - nothing was ever signed by Britain.It was an understanding in the early 20th century between Britain,France,and Russia by which they all agreed that none of them liked Germany much,and effectively admitted that they all therefore had a common interest in opposing German aims.
The Triple Alliance was a full alliance between Germany,Austria-Hungary,and Italy signed in 1882,the purpose of which was to keep France isolated.When WW1 began in 1914,Italy welshed on the alliance on the grounds that the war was caused by German aggression (a popular international view long before the Treaty of Versailles).
The parcel of land leased to a Baron by the King was known as a manor. Under the feudal system, the Baron had complete control of the running of the medieval manor provided he met certain obligations set by the King.