How did the slave rebellion on the island of Saint Dominique (Haiti) affect the history of the United States?

In 1517, the spanish friar bartolomé de las casas, disturbed by the suffering which spanish conquistadores had wrought on the native populations of america, became an important advocate of

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal

What is something current on the news happening? not anything about a fire