The toothbrush evolved over time and mainly out of necessity. Traces of the first toothbrush can be dated back as early as 3500 B.C.E. These bamboo sticks were then used just like a modern manual toothbrush to clean the teeth. Eventually, the Chinese version of the toothbrush made its way to Europe.
Movement, Region, Human-Environment Interaction, Location, Place.
Also a mnemonic that I learned today was MR HELP (weird i know) but yeah.
The Gulf of Tonkin Resolution was created and used during the Vietnam War. The resolution gave the president nearly unlimited control over the U.S. military.
