That statement is false
According to statistics, unemployment went from 14.3 % to 19 % during 1937. This cause the total manufacturing output in 1937 fell by 37 %
Answer: Well...I think this will help.
Slavery was common when Hazrat Muhammad (SAW) started preaching Islam. As Islam teaches equality of all human beings, the early converters to Islam were mostly the slaves and the poor. Islam does not like slavery.
But it was not possible in that society to announce it Haram. However, the Holy Prophet (SAW) commanded the Muslims to treat the slaves kindly, give them the same food which the master eats, don't be cruel to them, preferably set them free. Hazrat Zaid (rau) was a slave set free by Hazrat Muhammad (SAW). Hazrat Bilal (RAU) was also a slave bought and set free by Hazrat Abu Bakr (RAU). Both of them enjoyed more respect than many of the other Companions (RAU).
Explanation:
If it is written down, it's called "libel" whereas if it's spoken, it's called "slander." Defamation law attempts to balance the freedom of speech and open exchange of ideas without giving someone permission to run around spreading lies about another that may harm his or her reputation, ability to earn a living, etc.