New Delhi, Feb. 11 -- Bangladesh's election Thursday is the country's most consequential. It follows youth-led protests 18 months ago that overthrew the government of former prime minister Sheikh Hasina and ushered Bangladesh into an interim administration led by Nobel laureate Muhammad Yunus.

The vote, alongside a constitutional referendum on political reforms, will end the transition period and test the South Asian nation's democracy.

Many voters hope the return to elections will restore law and order, protect civil liberties and bring accountable leadership. But there is also unease. Some fear political instability, the marginalization of women and minorities, and the rise of Islamists in a secular country.

Here's a look at what Ban...