There are many reasons to build/create better aircraft designs, including but not limited to, Fuel economics(to save fuel), weaponary improvments, and distance travel. There is no perfect airplane, and we will never find one. The reason why we make better aircraft, is to improve on our designs, and because we constantaly can find better ways to improve things like, fuel economics, and space/storage.
This depends greatly on the European state in question, but the best option would be that "<span>d. They disliked the revolution, as the king and Marie Antoinette were allies to many nations," especially since this was a threat to their sovereignty. </span>
Answer:
Vaccines
Explanation:
It is not known if it was a Chinese or Indian discovery but it was not popularized before the use in 1796. In 1796 Edward Jenner inoculated a boy in England and that prevented him from getting smallpox. This was later used as the groundwork for developing vaccines and today's vaccine culture and mass immunization would not be possible without Jenner and his experiments.
Answer:
The Whigs had a positive view of freedom; they thought freedom could be enhanced and promoted by governmental action
The Democrats represented "negative freedom," or limited government interference, meaning the key to freedom was individual self-determination and individual action
Explanation:
The Louisiana Purchase of 1803
