Answer:
They demonstrated the growing unease within the European nations
Step-by-step explanation:
The statements:
1-The Ottoman Empire disrupted overland trade between Europe - Asia demonstrated the need of the Ottoman Empire to aggressively expand its territory. It was one of the movements that would change the face of the continent in the coming years prior to the World War I
2 -Peter the Great established St. Petersburg on the Baltic Sea.
This was again a move to expand and consolidate power.
3- Mesoamericans relied on terrace farming.
The terrace farming was suitable for the plains that were on the hilly areas.