The Nation Grows

United States explorer and soldier

• William Clark

• Meriwether Lewis

• Sacajawea

• Transcontinental Railroad

United States explorer

• frontier

• Mississippi River

• Manifest Destiny

• William Clark

Native American woman who was a guide and interpreter

• Sacajawea

• prairie

• barn

• Trail of Tears

the undeveloped area beyond settled land

• reservations

• Women's Suffrage Movement

• log cabin

• frontier

a treeless grassy area

• Indian Removal Act

• expedition

• prairie

• pioneer

longest river in North America

• wilderness

• Mississippi River

• woodlands

• sod house

land covered with trees

• wagon trails

• woodlands

• expedition

• sod house

a large animal of the cow family that is covered with hair

• Missouri Compromise

• Gold Rush

• expansion

• buffalo

a person who first settles a new place

• Battle of Little Bighorn

• Meriwether Lewis

• pioneer

• reservations

a small house made of logs

• William Clark

• woodlands

• Sacajawea

• log cabin