They sent him new clothes so he did not make a fool of himself
Well for some to list off, there's the Washing Machine, Microwave, ATMs, and one of the biggest changes being Radio by Ernst Alexanderson and Reginald Fessenden. There were also electronic televisions by Philo Farnsworth in 1923, later on to be adapted by your modern television creators like Sony and Sharp.
There's a lot of inventions that occurred during the 19th and early 20th centuries. I've only named a few. There's also during that time period advancements of Air Travel after<span> Orville and Wilbur Wright in 1903. As well as Military Tanks, advanced guns, gun silencers for the Military, as well of course, the Atomic Bomb in 1945.</span>
Scientifically no. Earth has existed for millions of years. The Bible doesn't tell you about dinosaurs yet we know that they were real because of fossils. But according to the Bible we are only a few thousand years old. I guess it depends on what you personally want to believe in and if you are going mix science with religion.
The South was speaking to Britain and France and was asking for military aid against the North and basically they said "Hey win a strategic battle on Northern land and we will help you." Well after the South didnt win the battle because in all terms the Battle of Antietam was more a draw then a loss for either side but because it wasnt an outright victory both the British and French retracted their offer of aid.