Allowed 'separate but equal,' also known as segregation, to become law in the United States.
A court Injunction is the practice of issuing a legal order.
The heading "D) evolution of parliamentary democracy" is the best fit for the partial outline of British history below, but of course this was a slow process.
I belive the answer is it was hard for many poor farmers to become independent from the landlord of the house.
hope this helps!