Which factor resulted in the depopulation of the african population beginning in the 17th century

Which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

Which of these was not a part of the english bill of rights? people could bear arms. monarchs could create taxes. monarchs could not suspend laws. free speech was ok in parliament.

What types of subjects did public high schools in the 1900s emphasize and why