Final answer:
The correct answer to the question about which regions or peoples have desires to secede in Poland, Czechia, and Germany is a) Poland: Silesians, Czechia: Moravians, Germany: Bavarians.
Step-by-step explanation:
Regarding regions or peoples who have or have had separatist movements and desires to secede in Poland, Czechia, and Germany, the correct answer is:
a) Poland: Silesians, Czechia: Moravians, Germany: Bavarians
Silesians in Poland have expressed a desire for greater autonomy or independence, based on their unique cultural and historical identity. The Moravians in Czechia have also harbored similar sentiments, although they are not as pronounced today. In Germany, the Bavarians have a strong regional identity and there have been occasional discussions about Bavarian independence, although it is not a widespread movement.