Voting has commenced in crucial battleground states, shaping the future of the US leadership with Vice-President Kamala Harris and former President Donald Trump as the main candidates. Polls have been relatively serene, partly due to record early and mail-in voting. Key states like North Carolina and Pennsylvania show challenges and vibrant energy at polling sites. Voters express concerns over issues like the economy and abortion rights. Analysts note that demographic engagement could significantly influence outcomes, with both candidates eyeing vital electoral votes.