Simplify the following text for a Grade 5 native English-speaking person.
Original: In March 1983 , President FÃ lix HouphouÃ `` t-Boigny made Yamoussoukro the political and administrative capital of CÃ te d'Ivoire , as the city was his birthplace .
Simplified: Abidjan is the biggest city in CÃ te d'Ivoire , and it is were most of the country 's money comes from . Yamoussoukro only became the capital in 1983 .