Nicholas II or Nikolai II Alexandrovich Romanov, known in the Russian Orthodox Church as Saint Nicholas the Passion-Bearer, was the last Emperor of All Russia
Answer:
The Double Victory campaign
Explanation:
The Double Victory campaign, launched by the Courier in 1942, became a rallying cry for black journalists, activists and citizens to secure both victory over fascism abroad during World War II and victory over racism at home.
They created the number system and discovered that the earth was round by studying eclipses.
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"c. The city became a central hub for trade, which contributed to the empires growth" best describes the effect of Constantine moving the capital to Constantinople, since it was a thriving metropolis.