Hi there!
A. and B. are both true.
Answer:
Stalin joined its governing Politburo. Serving in the Russian Civil War before overseeing the Soviet Union's establishment in 1922, Stalin got leadership over the country after Lenin's death (1924). Under Stalin's, "Socialism in One Country" became a central tenet of the party's dogma.
Answer:
English Common Laws => basis of U.S. laws
Salutary Neglect => free market economy
Separation of Powers => three branches of government
John f kennedy signed the declaration of independence and made them free