Which of the following developments in Russian history led to the other three A. Russian rulers took the title of czar
B. Eastern Orthodox Christianity was adopted in Russia
C. The Cyrillic alphabet became the basis of Russian written language
D. Trade developed along the rivers, linking Russia to the Byzantine Empire

D

Explanation:

Trade along the rivers opened the Rus population up to the Byzantine, who practiced orthodox Christianity and used something close to the cyrillic alphabet. the term Czar or Tsar (depends on translation) comes from Caesar, just like the German Kaiser.

latin america is a region of racial and cultural diversity.  it is a group of countries and dependencies in the americas where romance languages are predominant. the term originated in 19th century france as amérique latine to consider french-speaking territories in the americas along with the larger group of countries where spanish and portuguese languages prevailed.

explanation:

d) iowa i believe is the answer