Democratic presidential contender Joe Biden's win in South Carolina was in large part due to his support among black voters.
The role of the United States' Jewish community now takes centre stage at a major conference in Washington, DC.
It is an event where many high-profile politicians have sought support.
But Senator Bernie Sanders, who is Jewish, says he will not attend.
Al Jazeera's Patti Culhane reports from Washington, DC. – Subscribe to our channel: http://aje.io/AJSubscribe – Follow us on Twitter: https://twitter.com/AJEnglish – Find us on Facebook: https://www.facebook.com/aljazeera – Check our website: https://www.aljazeera.com/ #AlJazeeraEnglish #AIPAC #Israel #US