I believe they became important members in the Cold War.
To remedy the stability problem, Bohr<span> modified the </span>Rutherford model<span> by requiring that the electrons move in orbits of fixed size and energy. The energy of an electron depends on the size of the orbit and is lower for smaller orbits. Radiation can occur only when the electron jumps from one orbit to another.</span>
At the height of the Great Depression, it was said that about 25% of the labor force was out of work.
Answer:
In the 1950s, advertising executive, Rosser Reeves, invented the Unique Selling Point (USP). With this tactic, advertisers would create a phrase that summed up their product and then repeat it across all media. Thus, solidifying their product in the minds of consumers.
Explanation:
I couldn’t answer your other question on who did the advertising.
Before the agricultural revolution much of England's farmland was "common" land, since there was far less competition in terms of the land being used for crop cultivation.
