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
Japanese declaration of war on the United States and the British Empire each month throughout the war (until Japan surrendered in 1945), to re-affirm the resolve for the war. Below is the text to the declaration of the war with the boldened texts released in the name of the Emperor of Japan: The document declares the war against the United States and British Empire, discusses their presumed disruptive actions against Empire of Japan's foreign policy and states that all avenues for averting war have been exhausted from the Government of Japan. Japan had invaded much of East Asia to create what they called the "Greater East Asia Co-Prosperity Sphere", now largely viewed