Answer:
Meriwether Lewis.
Explanation:
Meriwether Lewis was asked by Thomas Jefferson to explore the Louisiana Territory as well as to map out the western lands in search for the Northwest Passage. Lewis was joined by William Clark as the leaders of the expedition. Clark was put in charge of the water navigation, while Lewis took leadership in the land navigation.
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B> A European country colonizes part of North America
311 million
In 1776, the next largest cities were New York City (25,000 people), Boston (15,000), Charleston (12,000), and Newport (11,000). All are rough estimates as the U.S. Census enumeration did not begin until the 1790. Today, in 2012, the U.S. population has blossomed to 311 million.
Source: http://economistsoutlook.blogs.realtor.org/2012/07/03/largest-cities-in-the-united-states-in-1776-and-in-2076/
