Bonus Questions Answered and Asked

Here is the answer to last week's bonus question, "What is the nickname for the first railroad trains to cross the American continent in the 1800's?  Answer: "Iron Horse"

This week's bonus question/problem: "Is the Burger King married to the Dairy Queen? Explain."

Here is our bonus question for Monday:

What is the nickname for the first transcontinental railroad trains that crossed the North American continent during the 1800's?