If we invest technology on electric energy, it will be cheaper.
Social stratification gives some people more privileges and opportunities than the others
In social stratification perspective , the society ranks their people into some sort of hierarchy.
Using this perspective, it's clear to see that someone who was born in higher status have more opportunities than the others ( for example someone can easily inherited a company from his parents while other have to build it from the ground)
This is your perfect answer
Under the Onís-Adams Treaty of 1819 (also called the Transcontinental Treaty and ratified in 1821) the United States and Spain defined the western limits of the Louisiana Purchase and Spain surrendered its claims to the Pacific Northwest. In return, the United States recognized Spanish sovereignty over Texas.
