Beginning in the 1970s, refugees who fled Vietnam and its neighbors in small, crowded vessels became known by what name?

Beginning in the Andes of Peru, the Amazon River flows about 4,000 miles to which ocean? Beginning in the 1600s, the colony of New France was centered on which river explored by Jacques Cartier? DELAG, considered the world's first airline, began carrying passengers in Germany in 1910 aboard airships built by whic… Beginning in the 1950s, which American served as ambassador to the United Nations, to South Vietnam and to West Germany? Beginning in the early 1970s, ads urged people to do what to their Bic lighters? Beginning in the mid-1930s, which wilderness photographer served as a director of the Sierra Club? Beginning near Tampa Bay in 1539, which explorer led the first European expedition to see the Mississippi River? Beginning service in 1832, which city's first streetcar was a horse-drawn car running along the Bowery?