Judging from your other questions, I would guess the Aztecs, because they had an extremely advanced civilization relative to their time period. However, you might want a second opinion to verify this. Hope this helps.
He attended a meeting of Bolshevik leaders in Petrograd.
Answer:
The United Nations' proposal to tear down the Berlin Wall.
Explanation:
This was the end of the cold war.
Answer:
His ideas influenced the concept of modern currency markets
Explanation:
Hope this helps
