What single event involving over 266 Americans, caused the United States to declare war on Spain?

Explosion of the U.S.S Maine

Explanation:

The explosion of the main near Spanish territory lead to war due to Yellow Journalism lead Americans into thinking Spain sunk it when instead its engine failed.

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.

i just did something on this guy a few days a go give me two minutes to find it in my notes.