Why were relations between Russia and the United States tense in Berlin in 1961?
O The Berlin Wall had created new restrictions on
movement.
O Germans had banned Western influence in East
Berlin.
O US ambassadors were refusing to cross the border.
O Khrushchev and Kennedy had held a failed peace
conference.

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.

What is the main idea of this excerpt

Which number on the map indicates the farthest reaches of alexander conquests?