At the end of the 18th century, approximately percent of the american people earned a major portion of their income by farming.

Right answer is (this is sure):

At the end of the 18th century, approximately 90% percent of the American people earned a major portion of their income by farming.

Explanation:

The US population was nearly 4 million in 1790. 90% of them made a living in agriculture.  That means that post-revolutionary America was an eminently agrarian country.  

she believed that scott was her late husband's property.

the two atomic bombs dropped on japan in 1945 killed and maimed hundreds of thousands of people, and their effects are still being felt today. the uranium bomb detonated over hiroshima on 6 august 1945 had an explosive yield equal to 15,000 tonnes of tnt.