Of the following countries, which was the last to outlaw slavery?

Question 6 options:

a)

Britain

b)

United States

c)

Spain

d)

Portugal

The correct answer is d) Portugal.

The correct answer is option b) United States. The United States was the last of the listed countries to outlaw slavery with the passing of the 13th Amendment in 1865, following the end of the American Civil War.

To determine which of the given countries was the last to outlaw slavery, we can start by looking up the historical timeline of each country's abolition of slavery.

Option a) Britain: The Slavery Abolition Act 1833 abolished slavery throughout most of the British Empire, making it illegal in Britain and its colonies.

Option b) United States: The Emancipation Proclamation was issued by President Abraham Lincoln on January 1, 1863, declaring that all slaves in Confederate territory were to be set free. However, it wasn't until the ratification of the 13th Amendment to the United States Constitution on December 6, 1865, that slavery was officially abolished throughout the United States.

Option c) Spain: Spain abolished slavery in continental Spain and its colonies with the Spanish Constitution of 1812.

Option d) Portugal: Portugal abolished slavery in its colonies in 1761, following the Marquis of Pombal's reforms.

Based on this information, we can conclude that the answer is option b) United States. It was the last of the listed countries to officially outlaw slavery with the ratification of the 13th Amendment in 1865.