Answer:
The Johnson administration planned for major American military action against North Vietnam nearly five months before the 1964 Tonkin Gulf incident, according to secret government documents made public yesterday by the New York Times.Jun 14, 1971
The Black Death is widely believed to have been the result of plague, caused by infection with the bacterium Yersinia pestis. Modern genetic analyses indicate that the strain of Y. pestis introduced during the Black Death is ancestral to all extant circulating Y. pestis strains known to cause disease in humans. Hence, the origin of modern plague epidemics lies in the medieval period. Other scientific evidence has indicated that the Black Death may have been viral in origin. (britannica.com)
Answer:
It has increased rapidly
Explanation:
In 1950 there were around <u>2.5 billion</u> people living in the world, while today that number is <u>7.5 billions.</u>
In most of the developed countries the population has grown rapidly, of course among the other things because health system in those countries has developed and is still developing pretty fast.
For example United States had 150 million inhabitants and now that number has doubled - more 320 millions.
Khanacademy.org overview hope this helps :)
