Ancient Indian civilizations had many different achievements. The most important is probably medicinine. One very popular ancient Indian medicine is known as Ayurveda. This involves many different herbs and the healing of body and mind. India is also known for being the first place to use algebra and even calculus, and also invented the number zero.
A. After it had a population of 5,000 free adult males. For number 6
That would be the states.
My Lai Massacre.....the U.S. killed between 347 and 504 unarmed civilians in South Vietnam on March 16, 1968.
Under the President of Thomas Jefferson, Lewis and Clark began a journey from North frontier towards the western region of the US to explore the geographic features of the landscape and the people who inhabited those regions.
The expedition was significant as they discovered more than hundred specimen of biological plant life and animal kinds. They were welcomed and befriended by many native nevertheless a few had shown their unfriendliness towards them.
Their mission was to re-establish trade and business routes to India to declare American dominion.