President obama argued that there are science and technology jobs than there are people to fill them.

What are some inventions during the han dynasty?

Plz ! after the first battle of bull run general ivan mc dowell was removed from command of the union army he was replaced by a. general ulysses s. grant. b. general george mcclellan. c. general robert e lee. d. general george meade.

Explain the first meeting between robespierre and louis xvi after louis is crowned king? fast