After the American Civil war (1861 -1865) and the victory of the Union, a process of Reconstruction (1865-1877) took place. This process aimed to transform the 11 ex-confederated states in a "republican form of government" via laws and constitutional amendments.
The Southerners felt Northerners were getting rich at their expense because since the end of the war many moved to the south as social reformers. Several of them were businessmen who acquired or rented plantations and became wealthy landowners, choosing freedmen to do the labor. Following the Civil War, Northerners often obtained plantations at fire-sale rates. Because of this, they were commonly considered to be taking advantage of those living in the South.
The colony of Georgia was established to serve as a military protective zone between the English colonies and the Spanish settlement in Florida.
It led to the need to seek agricultural land to grow more food for Europeans.
It created a desire for more cultural exchanges among different racial groups.
The correct answer to the question above would be the last option, "in multiple countries all over the world." Terrorist attacks by fundamentalist groups have occurred in multiple countries all over the world. They have been doing recent terrorist attacks, one in Paris last year and Syria.