Nelson Mandela began the first black law practice in South Africa
        
             
        
        
        
Answer:
The Boston Tea Party was a political protest that occurred on December 16, 1773, at Griffin’s Wharf in Boston, Massachusetts. American colonists, frustrated and angry at Britain for imposing “taxation without representation,” dumped 342 chests of tea, imported by the British East India Company into the harbor.
Explanation:
Basically its because the british were greedy. 
 
        
             
        
        
        
Q3: 
A tariff is a tax on imports or exports between sovereign states. It is a form of regulation of foreign trade. It is a policy that taxes foreign products to encourage or protect domestic industry. It helps limit trade deficits. The tariff is historically used to protect infant industries and to allow import substitution industrialization
credit to wikipedia:
https://en.wikipedia.org/wiki/Tariff 
 
        
             
        
        
        
The experiment worked well, most of them worked in farming other people's land, and once they saved up enough money, they were able to afford land of their own. Hope I helped! (: