The correct answer is a hypothesis
In the scientific method, a hypothesis can be defined as the provisional or attempted solution to a given problem. The level of truth attributed to such a hypothesis will depend on how the empirical data collected support or not what is stated in the hypothesis. This process, known as empirical contrasting of the hypothesis, can be carried out through confirmation (in the case of universal hypotheses) or verification (in the case of existential hypotheses).
Answer: Czechoslovakia.
Explanation:
The Munich Conference between the leaders of Britain, France, Italy, and Germany was held on September 29-30, 1938. To obtain a promise of peace from a belligerent Hitler, they agreed to the German annexation of the Sudetenland, a border area of Czechoslovakia with an ethnic German majority.
Six months later, on March 15, 1939, Hitler broke said agreement by moving against the Czechoslovak state. Bohemia and Moravia became a German protectorate occupied by German troops, Slovakia was turned into an independent state, and Hungary took the Transcarpathian Ukraine.
D. Air pollution is not as much of a problem there