Answer:
What remained was to prove it's sovereign rights, with the Revolutionary War and the War of 1812. The Declaration is the distillation of 13 separate colonies into the association of 13 colonies under 1 umbrella organization. The International Purpose. The Declaration of Independence had two main purposes.
They encouraged people to settle because they were looking for an economic opportunity so not A and they mostly thought they were going to get rich from gold, so not B so I would say C
D. Remained poor.
They experienced a period of economic stagnation following the independence. Making a lot of people remained poor despite being free from the European colonization. They need some time before they eventually make adjustments to implement a proper political system in place and develop their economy.
To encourage an ethnically diverse population, Germany wanted control on who should be who.