The belief that American settlers should start spreading westward and settling those lands.
Colonization or colonialism
<span> Although the skyrocketing urban populations strained public school systems, schools educated everyone from the children of urban professionals to the children of immigrant workers and the very poor. Some cities, including Boston, New York, Chicago, and San Francisco, even provided free secondary schools.</span>
world war one started in july 28, 1914
It is history abraham lincon
