Two nations that most immigrants came from during the mid-1800s include Germany and Ireland.
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About one-third of Europe population died within that period.
During that time, the Europe underwent a horrendous black plague infection that is incurable with the medical advancement that they had at that time. It's predicted that this pandemic resulted in more than 200 million deaths in the European continent.
Answer:
b. extraversion.
Explanation:
Extraversion -
It is one of the five personality traits of the Big Five personality theory .
Extraversion , helps to determine how much a person is social and outgoing .
The person scoring very well in the extraversion in the personality trait is considered to be very much active and party animal .
These type of people enjoying travelling and social events and are always full of energy .
The person scoring less in extraversion , is less outgoing and is less social and outgoing .