In 1979, the richest 1 percent of Americans were taking in about 9 percent of the total income. By 2007, the wealthiest 1 percent were taking in of the nation's total income.

According to Congressional Budget Office (CBO) The richest 1 percent of the Americans were taking in about 9% of the total income and by 2007, the wealthiest 1 percent were taking in about 18 percent of the nation's total income

Explanation:

According to the Congressional Budget Office (CBO) the total income of top 1 percent in 2007 is 17.1 percent , compared to that of 1979 which is 7 percent.

Also, the CBO in its data presented shown that, between 1979 and 2007, average after-tax incomes for the top 1 percent rose by 281 percent after adjusting for inflation — an increase in income of $973,100 per household

CBO further stated that In 2007, the average household in the top 1 percent had an income of $1.3 million, up $88,800 just from the prior year.

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.

the answer is d. amendments.