Why are the flat surfaces on these solids called faces

They are called faces because the face outward. Imagine a cube with a smiley face on each of the sides. Instead of faveimg inward the are facing you. Face to face

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

1. antarctica2. saudi arabia