2. To be safe while doing science, you should learn the meaning of
symbols.

What is the title of the head of thr department of defense?

In the mid-1800s, native americans who had lived in the westtraded their manufactured goods with settlers.were able to resist diseases carried by settlers.offered their services as guides to settlers.prevented settlers from moving onto their territory.

The northwest ordinance guaranteed three rights for the settlers of the northwest territory. what were they?