Answer:
Abdominal-Thoracic-Dorsal
Explanation:
Complete question:
At one time it was thought impossible to operate within the body cavities. But then the Canadian doctor William Beaumont operated on a gunshot wound to the stomach. Several decades ago we saw breakthroughs in heart operations and transplants. And the 1990s were called the decade of the brain because of the extensive research being done on how the brain functions. The order in which these discoveries were made, by cavity, are
abdominal-thoracic-dorsal.
abdominal-dorsal-thoracic.
dorsal-thoracic-abdominal.
thoracic-abdominal-dorsal.
thoracic-dorsal-abdominal.
Not to poke bears that can blow america up with nukes on twitter
The transatlantic slave trade began during the 15th century when Portugal, and subsequently other European kingdoms, were finally able to expand overseas and reach Africa. The Portuguese first began to kidnap people from the west coast of Africa and to take those they enslaved back to Europe.
Answer: Advancements in household technology
Increased life expectancy for women
Development of the service industry