Complex sentence: Latin America, for example, the current vice president of Venezuela Tareck el Aissami has been accused of supporting drug trafficking and helping Mexican drug cartels, since 2017 he has been banned from entering the United States.
Split into simpler sentences: Latin America, for example, the current vice president of Venezuela Tareck el Aissami has been accused of supporting drug trafficking and helping Mexican drug cartels. Since 2017, he has been banned from entering the United States.