There are several reasons why the Schlieffen Plan ultimately collapsed, but the main reason was that it did not anticipate French resistance at the border areas.
The answer is :D- The issuing of the Emancipation Proclamation.
The answer for me was "Congress" I hope this helps you!
One factor that led to the establishment of organized communities was simply the size of the migration movements, especially from the South, that required "grids" to be formed in many cities in the North.
Answer:
Yes, construction of great wall of China was worth the cost because it was built for the protection of the people from invasion at that time and the goal was achieved.
Explanation:
This great wall of China is built in order to secure the area from the outside attacks and stop the enemies from entering the state. This wall act as a barrier which protects the Chinese people in many invasion and the enemies are unable to enter the state. So we can say that the building of great wall of China is worth.