The two factors that played a major role in migration was push and pull. The correct option among all the options that are given in the question is the second option. Migration of humans is actually the movement of the humans from one place to another place with the sole intention of temporarily or permanently settling down.
I’m not sure but I think it’s G
“Middle class” in popular usage in the US is a euphemism (polite word) for “not rich and not poor.” When speaking with a co-worker whose family income placed her in the top 2–3% of Americans, and whose house was worth 30 times the average American’s salary, I classified her as rich. She objected strenuously, claiming instead to be middle class!
“Working class” is used to denote those who work with their hands, or who work in lower-paid jobs that may not require higher education. A synonym for “working class” is “blue collar.” Working class people are stereotyped as having less refined tastes and preferences.
All credit would go to <span>https://www.quora.com/What-is-the-difference-between-working-class-and-middle-class-if-there-is-one</span>
The First French Empire<span> at its greatest extent in 1812. The </span>First French Empire<span>, also known as the Greater </span>French Empire<span> or Napoleonic Empire, was the empire of </span>Napoleon<span> I of </span>France<span>. It was the main power of most of continental Europe during the early 19th century.
</span>
The Black Death is considered as the deadliest pandemic in history. There were four main forms of this plague namely: bubonic, pneumonic, septicemic and enteric plague. It wiped out around 200 million people from Europe and Asia. It was caused by yersinia pestits, a type of bacteria transmitted through flea bites or inhalation. One of the main reasons why the plague spread quickly was the terrible health condition of the city dwellers due to poverty and malnutrition. The great famine of 1315 struck many parts of Europe and it lasted for almost seven years. The famine ultimately weakened the immune system of the dwellers in the cities.