The answer is most likely taxation.
<span>the authority of the federal government to items listed in Article 1 and Article 2 of the Constitution of the United States.</span>
The result of the exploratory voyages by European countries was : Colonization
After the voyage, many kingdom realized that there are a vast amount of natural resources spread out throughout the world such as spices, metal, crops, etc. In order to take it and increase their wealth they created the colonization system to control the flow of goods.
In 1917, British Intelligence intercepted what became known as the Zimmermann Telegram. This was a communication from the German government to the Mexican government that attempted to convince Mexico to declare war on the U.S. to distract Americans from getting involved in World War I. Even though Mexican President Carranza ruled out any such action, the U.S. had evidence of a threat to its national security and declared war on Germany and its allies, but not on Mexico.