This Revolutionary War hero became the first president.
George Washington
These two explorers were hired by Thomas Jefferson to lead an expedition into newly bought lands.
Lewis and Clark
This invention allowed people to quickly move long distances over rails.
Trains/Railroads
This event refers to when tens of thousands of Native Americans were forced off their land by the United States.
The Trail of Tears
This city is the capital of the United States.
Washington, D.C.
This author of the Declaration of Independence became the third president.
Thomas Jefferson
The United States would acquire a lot of land in the southwest after winning a war against this country.
Mexico
This invention allowed people to instantly capture images by recording light.
Photography
People that sought to end or "abolish" slavery were called this.
Abolitionists
This document lays out the rules of the American government, and states that an elected president is in charge of the country.
The Constitution
This man served as George Washington's Vice President, and became the second president afterwards.
John Adams
This Native American woman proved to be very useful to the exploration of the west.
Sacagawea
This invention created a place for many workers to come together and use machines to produce goods.
Factory
This former slave led missions into the south to help people escape slavery.
Harriet Tubman
This document was written by Thomas Jefferson and created the United States on July 4th, 1776.
The Declaration of Independence
This man would become a war hero with his victory against the British, and would become later become president.
Andrew Jackson
Hundreds of thousands of people would move to California in this hunt for mineral riches.
The Gold Rush
This invention allowed people to send messages by wires over long distances.
Telegraphs
This woman was famously arrested when she tried to vote as an act of protest.
Susan B. Anthony
This term refers to a group of advisors that help the president run the country.
The cabinet
This young lawyer and abolitionist would end up becoming president one day.
Abraham Lincoln
The huge amount of land that the United States bought from France is called this.
The Louisiana Purchase
This invention created manmade rivers that let boats travel in new places.
Canals
This Native American warrior was the leader of an alliance of Native Americans that tried to stop the United States from taking over their lands.
Tecumseh
The poem "The Star-Spangled Banner" would eventually become this symbol of the country.
The National Anthem