"A saying that was painted on many of the pioneer's wagons as they prepared to head West on the Oregon Trail."
What is Oregon or Bust?
This country sold Louisiana in what was considered the greatest real estate deal in history.
Who is France?
This purchase doubled the size of the United States over night.
What is the Louisiana Purchase?
The map area labelled D that was acquired in 1803 for $15 million.
What was The Louisiana Purchase?
Ended by the Treaty of Guadalupe Hidalgo, this war contributed to the pursuing of Manifest Destiny.
What is Mexican War?
This country was bullied into losing Florida to the United States.
Who is Spain?
What is Mexican Cession?
This Map Area was acquired after negotiations with Great Britain during Manifest Destiny.
What is F?
This war for independence from Mexico contributed to the pursuing of Manifest Destiny.
What is Texas Revolution?
This country owned Texas and fought to keep it in the Texas Revolution.
Who is Mexico?
This Annexation increased tensions between the United States and Mexico.
What is Texas Annexation?
Based on the photo, this answer can be inferred about how Americans view Westward expansion:
A: New innovations had little impact on the geography of new territories.
B: White settlers felt it was their destiny to expand westwards past the Mississippi river.
C: Native Americans welcomed white settlers west of the Mississippi river. 
What is B?
This slogan called for expansion that included Texas, California, and the entire Oregon territory.
What is Fifty-four Forty or Fight?
This European country claimed part of the Oregon territory.
Who is Britain?
This territory settled a boundary disputed between the United States and Great Britain.
What is Oregon Territory?
Based on the photo, this answer can be inferred about how Americans view Westward expansion:
A: Native Americans welcomed white settlers west of the Mississippi river.
B: New innovations had little impact on the geography of new territories.
C: New Innovations helped settlers continue to travel and relocate westward. 
What is C?
This treaty, signed in 1848, ended the war between the United States and Mexico and resulted in Mexico ceding land.
What is the Treaty of Guadalupe Hidalgo?
This purchase was made in 1853 to secure the best route for a transcontinental railroad.
What is the Gadsden Purchase?
This purchase was made to complete the southern portion of the transcontinental railroad.
What is the Gadsden Purchase?
John L. Sullivan believed that Manifest Destiny was linked to this U.S. document.
What is the Declaration of Independence?
Also referred to by Sullivan as "our national declaration"