Mainly:
-Food
There are many types of cuisine like Feijoada that were created by the slaves. Feijoada is like a mixture of beans with meat, it was made from the rest of what their owners ate.
-Dance and Music
The costume of dancing and music come much in part because of African slavery. They don't dance nor sing in African languages, please.
-RELIGION IS NOT
Brazil is the country that has the largest Roman Catholic Population after the Papal States.