Two-time Pulitzer Prize winning editorial cartoonist Ding Darling often used his cartoons to promote this cause.

Leonardo da Vinci’s first known painting is of this.

Completed in 1772, this state’s capitol building is the longest one in continuous use.

Famous for his invention of the telegraph, Samuel Morse was a professor at the University of the City of New York teaching this.

The first shovelful of dirt for the Baltimore and Ohio railroad was dug in 1828 by Charles Carroll who was honored for being this.

In the early 1900’s, the American Issue Publishing Company, was established to promote this organization’s beliefs.