Answer:
A. Because it was delivered during a critical time period in history
Explanation:
At the time when Churchill gave his speech, Germany was an extraordinary threat. His speech motivated the British nation to keep fighting the war that was only in its beginning and to never surrender whatever the cost. To fight in their darkest hour without hesitation to defend their native soil. Many believe that his speeches were the thing that motivated the British to go on even when the bombs were falling on their cities.
Russia, Ukraine, Belarus, Georgia
hope this helps
The factors that made it difficult for Eastern Europe to improve its water quality were outdated sewer systems, raw water quality, worn-out water utilities and unskilled employees. So we can say that four options given in the question fits the bill perfectly. These basic infrastructural reasons were responsible for being a hurdle towards improving the water quality. <span />
D. His mission to discover the truth of what happened (I'm 100% sure)