<span>followed a trail blazed by Zebulon Pike, hope this helps
#brainlyzkool</span>
After WWI and during the Great Depression the US tried to be an Isolationist nation. They put out tariffs so people would buy US (forgetting that the rest of the world was still devastated by WWI (economies included)).
Explanation:
War of 1812, (June 18, 1812–February 17, 1815), conflict fought between the United States and Great Britain over British violations of U.S. maritime rights. It ended with the exchange of ratifications of the Treaty of Ghent
Ehm, Robert Fulton is best known for fully developing the first successful commercial steamboat.
Hope this helps ;p
I believe the answer is: Job opportunities.
At that time, most newspapers would provide a specific space solely for cartoons (about 3-6 pages).
They then announce newspapers readers that they could try and send a short comic strip by their own and the newspapers would pay them if they decided to publish the strip.
