Answer:I suggest you to search this question in Google and if you find your answer between the following options then it is the answer itself.
Explanation:
They had advanced technology compared to the native Americans
Roles of women changed in post war society by increasing women in the work place because most of the men were at war.
Answer:
Enclosure Movement ⇒ Improved efficiency in farming
The Enclosure movement saw communal land made into private land. The new owners then applied new agricultural methods that increased crop yields and improved efficiency in farming.
Spinning Jenny ⇒ Faster production of yarn and thread.
The spinning jenny revolutionized textile production by making it much easier to produce yarn and thread.
Steam engine ⇒ power source for machinery
The steam engine was able to use steam to do work in factories that previously would have required intense labor. This newfound ease in production allowed for faster manufacturing.
Canals ⇒ efficient transportation.
Canals allowed for goods to be transported inland to places over water which allowed for the transport to be faster and more efficient.
Answer: AIDS was discovered in 1981.
Explanation:
AIDS (acquired immunodeficiency syndrome) is a disease characterized by the loss of body's immunity, which increases the chances for infection and malignancy. It is caused by HIV (human immunodeficiency virus).
Although HIV had existed in the United States during 1970s and originated years earlier, it was in the early 1980s that the disease came to the public's attention.
In 1981, the Centers for Disease Control and Prevention (leading public health institute of the United States) reported that five homosexual men became infected with Pneumocystis pneumonia, which usually affects people with compromised immune systems. In 1982, The New York Times published a text regarding the new immune system disorder, of which 136 people had died.
