A divided Congress, states looking to boost their revenue, and European nations grappling with how to tax digital goods and services are among those that could drive tax policy changes in 2019.

Bloomberg Tax’s Sony Kassam discusses the issues to track in the coming year.

Middle-class tax relief and infrastructure are two issues to watch on Capitol Hill, where Democrats will hold the House majority for the first time since 2010.

In the states, expect sports betting and legal marijuana to continue to expand. States also will continue to adapt their sales tax requirements for out-of-state sellers following the U.S. Supreme Court’s June decision in South Dakota v. Wayfair.

Online sales will be a big issue in Europe, where the European Union is weighing a sales tax on digital goods and services.