B. The French gave their land to the British Empire. But France kept Louisiana and traded it with Spain. The Spanish and French were deep allies during those times and it wouldn't be uncommon for nations to trade cities with eachother. Especially New Orleans or as the French say Nouvelle Orleans.
They continued to work at a higher wage. They. we're granted citizenship in 1924. They we're replaced by returning servicemen. They we're giving a trip ends to find another job.