What is one way that early humans survived cold environments? They made clothes from wool.

They trained dogs to help them hunt.

They built cabins made of logs.

They discovered how to make fire.

Why did un coalition troops battle iraqi forces in 1991? iraq had invaded saudi arabia, along with its other border nations.iraq had invaded kuwait, which was a major source of the world's oil.the united nations wanted to remove saddam hussein from power.the united nations wanted to prevent the trade of illegal drugs.