Answer:
This Empirical evidence can be gathered using quantitative research and qualitative research methods.
Explanation:Empirical research method conducted can be using analysed quantitative and qualitative methods.
(1)Quantitative method: It is used to opinions behaviors or other defined variables.
(2)It is used to gather numerical data methods are survey polls.
(2)Qualitative method: it is used to find opinions,meaning,underline subject from its reasons.
(2)They are focus of groups, interviews,experiments.
The answer to that would be A) peaceful coexistence.
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I believe you right C should be the answer
D. It was an area Germans lived in but was owned by Czechoslovakia
The Sudetenland used to be former territory of the German Empire. Adolf Hitler had expanded German territories through aggressive-diplomacy which Britain and France had tried appeasement.