Political parties have used state-level ballot initiatives to motivate voter turnout in different ways. For example, in 2004, the Republican Party put a constitutional amendment on gay marriage on the ballot in many states. This move motivated Republican voters to show up on Election Day to vote against the measures, which defeated the initiatives and helped President George W. Bush beat John Kerry. In 2018, the trends in ballot initiatives show a focus on transportation and taxes.
In general yes, the states honored their agreement since the Articles of Confederation demanded practically nothing from the states--meaning that it wasn't hard for the states to uphold their end of the bargain.
It was widely believed that Clay, the Speaker of the House, convinced Congress to elect Adams, who then made Clay his Secretary of State. Jackson's supporters denounced this as a "corrupt bargain."
