Answer:
Eastern European nations have joined
Explanation:
Free soil party: he Free Soil Party was a short-lived political party in the United States active from 1848 to 1854, when it merged into the Republican Party. The party was largely focused on the single issue of opposing the expansion of slavery into the western territories of the United States.
whigs: The Whigs were a political faction and then a political party in the parliaments of England, Scotland, Great Britain, Ireland and the United Kingdom. Between the 1680s and 1850s, they contested power with their rivals, the Tories.
Democrats: The Democratic Party is one of the two major contemporary political parties in the United States, along with its main rival, the Republican Party. Tracing its heritage back to Thomas Jefferson and James Madison's Democratic-Republican Party, the modern-day Democratic Party was founded around 1828 by supporters of Andrew Jackson, making it the world's oldest active political party.
the answer is: B.Drowning in underground water
According to OSHA, caught-in or Caught between hazards refers to fatalities that resulted in workers being trapped between two or several things. When you are drowned, you the rescue workers could technically still move around the water area without worrying any collapse might happen, which is why it is categorized differently from caught in or caught between hazards.