Best effects of the fall of Berlin are as follows:
1. Reunification – It is where East and West Germany first signed a treaty of an organization that unites their economies, unites their government and legal systems which leads Germans facing economic complications in its conversion to a free-market economy, sell their business whom owned by the East German government and they experienced sluggish economic growth.
2. Germans can freely travel in and out of East Germany
It helped them transport things easier i think
Answer:

Explanation:
Cambodia is considered a mainland in Southeast Asia.
China and Japan are in East Asia.
The natural disaster is EARTHQUAKE.
On the 8th of October, 2005, the Kashmir region of India and some sections of Pakistan and Afghanistan was hit by an earthquake. The earthquake had a magnitude of 7.6. The earthquake caused a lot of damages and a huge number of people lost their lives during the event, many more become homeless.
Answer:
B) Mountains protected the region from invaders and D) Rivers flooded, providing fertile soil and water for irrigation.
Explanation:
hope i helped you out !!!