The Emancipation Proclamation in 1863 officially banned the slave trade, but it didn't really come into effect until the Southern states ratified the 13th, 14th, and 15th Amendments. Source: my history textbook
because they wouldn't trade but it was still allowed to have slaves
slaves hence the name Atlantic SLAVE trade
It increased the need for slaves.
The British were the dominant nation of the slave trade.
District of Columbia
The United States banned the transatlantic slave trade in 1808, although illegal smuggling of slaves continued. The British Empire abolished the slave trade in 1807, and slavery itself was outlawed throughout the British Empire in 1833.
The Constitutional Convention said that congress could not ban slave trade until 1808.
Human slave trade is a banned activity in the world. It is for this reason that there is no website that has human slaves on sale.
Well, in 1808 the USA banned slave trade.
It was only the international slave trade which was banned after 1808. After that time it was illegal to import any new slaves from Africa. Domestic slave trading, within the US, was still perfectly legal. All children born to slave mothers were also slaves, so there was a source of more slaves in this natural increase. Some illegal importation also continued. Men in this trade, called "blackbirders", often landed slaves in Mexico or Texas. Texas did not become a part of the US until 1845. From Mexico or Texas the illegally imported slaves could be brought overland into the US.
Great Brittan by 1807 is was completely banned in the country
No one did. The northern states tried to blockade the southern states during the US civil war . No one banned trade.
The Slave Trade Act of 1807 banned the transatlantic slave trade, but not slavery itself. Many British slave traders simply redirected their operations to other regions and continued to profit from the illegal trade. Additionally, other countries continued to participate in the slave trade, further undermining the effectiveness of the Act in fully abolishing slavery.
Abraham Lincoln got over 7500 people to protest against slave trade
1809
The Emancipation Proclamation in 1863 officially banned the slave trade, but it didn't really come into effect until the Southern states ratified the 13th, 14th, and 15th Amendments. Source: my history textbook