Most German immigration to the United States occurred during the nineteenth century, but Germans began arriving as early as 1608, when they helped English settlers found Jamestown, in Virginia. Germans also played an important role in the Dutch creation of New Amsterdam, which later became New York City.
Answer:
When the economy collapses
Insuring domestic tranquility is simply meaning they are keeping the peace within the country, city, town, or state. Mainly to keep things like the civil war, ww1, ww2, and the cold war from happening again.
