What main industry do the countries of each group have in common?
a. countries on the adriatic sea, such as croatia
b. countries on the vast plains of europe, such as serbia and bulgaria
c. countries with large forested areas, such as belarus and romania

idk but found this on google

"the kansas-nebraska act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. kansas with slavery would violate the missouri compromise, which had kept the union from falling apart for the last thirty-four years. the missouri compromise had prevented this from happening since 1820."

yes peace and development are complementary to each other since they both undergo a great deal of getting where they want to go whether its peace in general and. development