The correct answer here is the second option.
According to the Limited Nuclear Test Ban Treaty was signed by the United States and the Soviet Union on August 5, 1963 in Moscow. The ban prohibits any nuclear explosions and nuclear weapon tests in water, atmosphere or space. Technically it does not ban testing underground but it does ban it if they cause radioactive debris outside of the state's territory.
Because they controlled the gold & salt trade.
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Answer:
The correct answer is B. The Compromise of 1877 brought an end to radical reconstruction by providing for the removal of Federal troops from southern states.
Explanation:
The Compromise of 1877 was an informal pact reached in the United States after the disputed presidential elections of 1876 between the republican Rutherford B. Hayes and the democrat Samuel J. Tilden. According to the "compromise", and after several controversies among the polling stations on the results of the elections, it was agreed to grant the presidency to Hayes, in exchange for his regime accepting certain demands of the Democratic Party led by Tilden; among them, removing Federal troops from the South.