I think it was 4 countries that establish settlements in Georgia
The Indian Removal Act of 1830
Due to the colonist and such leaving from a tyrant ruled nation. They wanted to make sure the same wouldn't happen over here, therefor they gave the President power. However it would go through some people and such. For example President Trump signed a bill, the travel ban. Yet in around 1 to 2 days, the Judicial Branch found it unconstitutional. Therefor it was overturned and disbanded.
President Andrew Jackson didn't want to have a war with Mexico but also did not want to deal with adding what could be another slave State. Jackson believes that if Texas was annexed, the other countries would view the United States a traitors. He was passionate about Texas but he was more passionate about keeping the Union together.
Challenges that Italy faced after unification.
Following Italy unification in 1861 the nation suffered from economic imbalance between north and south, the absence of education systems, lack of raw materials and the great cost of unification itself. Italy faced this challenges but still made great development progress in the future years.