A voting alliance is a political agreement between two or more parties to support each other in an election. The two crossword solutions for the term 'voting alliance' are BLOC and YELL. BLOC stands for 'BLOC Quebecois, ' a federal political party in Canada that advocates for Quebec's independence from Canada. YELL stands for 'Youth Environmental Leaders League, ' a youth-led organization that works to protect the environment and promote sustainable development.