Answer:
RMS Lusitania
Explanation: On May 7, 1915, less than a year after World War I (1914-18) erupted across Europe, a German U-boat torpedoed and sank the RMS Lusitania, a British ocean liner en route from New York to Liverpool, England.
The Soviet Union
Fun fact they actually lost 16.8 million.
They played a important role as voter and elected officials
Six months, it says that in the last sentence
The Atlantic Ocean. Its the ocean that connects North and South America to Europe. Most early explorers came from Europe and "discovered" the Americas. The slave trade as well as spice trade used the Atlantic ocean because it's the most direct way from most of Europe.