The Magna Carta was first in 1251. Columbus discovered america in 1492.
The London-Smog occurs mostly in winter and is a mix of gaseous and solid aerosoles as well as natural fog. The Los-Angeles smog is dry, and formed mostly during sunny and hot weather conditions.
The Stamp Act, Tea Act and Intolerable Acts were put into place without the consent of the colonists. This proved that Britain was not treating them as citizens, but merely as servants to their mother country.
The Americans realized that Britain was not going to stop enacting laws in the colonies this way, and they knew that secession was inevitable.