Jvkerfhwlfhowfh choose all that apply. three major causes of mass migration today are better job opportunities civil wars disease famine education

The correct answers are A) civil wars, B) disease, and C) famine.

The three major cases of mass migration today are civil wars, disease, and famine.

Migration is one of the most difficult issues nations are facing in today's modern world. Hundreds of thousands of people have to leave their native countries for different j¿kind of reasons such as civil wars, , and famine.

Civil Wars. Middle East countries such as Syria is living a terrible civil war that is forcing thousands of people to emigrate to other countries. Cities such as Aleppo, Syria, are completely destroyed. Diseases are another factor. Countries in Africa suffer from terrible diseases such as Ebola, and people move to other places where they can find health services. Famine is the constant reason for migration. The example is what is happening right now in Central America. People from Honduras, Nicaragua, and El Salvador are leaving by thousands their native countries, crossing through the Mexican territory to get to the United States. This has caused a humanitarian problem to attend thousands of people from Central America that are strained in the US-Mexican border.  

hi!

your answer is d

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~courtney

answer:   migrations were important in the neolithic period. "two major migrations passing through southeastern europe were confirmed by the means of archaeo-genetic studies."

the first migration was the early neolithic period -- 6,000 before common era (bce) -- when the first farmers, from anatolia -- asia minor -- spread through europe. the second migration occurred during the early bronze age (3,000-2,500 bce) when the so-called "steppe population," from the eurasian steppe, replaced much of northern europe's previous population.

the first farmers of northern and western europe passed through southeastern europe with limited hunter-gatherer genetic admixture, which occurs when two or more previously isolated populations begin interbreeding. however, some groups that remained mixed extensively -- without the male-biased, hunter-gatherer admixture that prevailed later in the north and west, according to latest discoveries. southeastern europe continued to be a nexus between east and west, with intermittent genetic contact with the steppe people up to 2,000 years before the migrations that replaced much of northern europe's population.

"in some places, hunter-gatherers and incoming farmers seem to have mixed very quickly," says iain mathieson, a geneticist at the university of pennsylvania, who was first author of the paper. "but, mostly, the two groups remained isolated, at least for the first few hundred years. these hunter-gatherers had been living there for thousands of years, and it must have been quite a shock to have these new people show up -- with a completely different lifestyle and appearance."