What's at stake for China and U.S. in Taiwan's

When Taiwan heads to the polls on Saturday to elect a new president and legislature, their votes will be keenly watched at home and abroad. That’s because the self-ruled island of 23 million people has an outsized impact on the global business and trade, mainly because of its world-beating chips industry.

But China has ramped up military aggression against Taiwan in recent times, sending jitters globally.

Chinese leader Xi Jinping has repeatedly said Beijing plans to “reunify” Taiwan with China. The Communist Party has claimed the island as its own territory, despite never having controlled it.