Slavery in the colonial United States December 1865. Slavery in the colonial United States Slavery in the colonial area which later became the United States (1600–1776) developed from complex factors, and researchers have proposed several theories to explain the development of the institution of slavery and of the slave trade. Slavery strongly correlated with Europe's American colonies' need for labor, especially for the labor-intensive plantation economies of the sugar colonies in the Caribbean, operated by Great Britain, France, Spain, and the Dutch Republic. Most slaves who were brought or kidnapped to the Thirteen British colonies - the Eastern seaboard of what later became the United States
Financial costs of the American Revolutionary War Financial costs of the American Revolutionary War The American Revolutionary War inflicted great financial costs on all of the combatants, including the United States of America, France, Spain and Great Britain. France and Great Britain spent 1.3 billion "livres" and 250 million pounds, respectively. The United States spent $400 million in wages for its troops. Spain increased its military spending from 454 million "reales" in 1778 to over 700 million "reales" in 1779. The economic warfare between Great Britain and the colonists began well before the colonies declared their independence in 1776. Regulations from the crown were met with fierce