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.
Medical / Clinical Laboratory Technician Salary. (United States). The average Clinical Laboratory Technician in the United States earns approximately $17.00 per hour. Pay generally varies between $12.07 per hour and $23.28. While tenure and the individual firm impact pay for this group, geography is the most influential factor. Most report receiving medical coverage from their employers and more than half collect dental insurance.