Although slaves had been sold in the American colonies since at least 1619, slave labor did not come to represent a significant proportion of the labor force in any part of North America until the last quarter of the 17th century. After that time, the numbers of slaves grew exponentially.
A Pharmacologist earns an average salary of $103,686 per year. For the first five to ten years in this position, salary increases sharply, but any additional experience does not have a big effect on pay.
Of the states, pharmacists tend to bring home the highest wages in Alaska, where the average was just over $129,000 a year. In this same state, pharmacologists averaged $88,000 -- a difference of roughly $41,000 annually. The lowest reported wages for pharmacists were in Nebraska, at an average of $100,830. Nebraska-based pharmacologists earned $83,000 -- a difference of $17,830 annually.