Lewis Hines had a large impact on reforming laws regarding child labor because he was a photographer and he would often photograph pictures of the hardships many families and children were going through during that time.
Kids at that time even worked in coal mines which are very, very dangerous and if I remember right, he was able to get a picture of the children at work, covered in black dust from the coal mines.
His pictures are shocking and once again, like I stated before, child labor is an ongoing problem in other countries. Its very sad

the Trail of Tears belong In 1838 and 1839 era
During the Dark Ages of Greece, the significant old settlements were surrendered with the remarkable particular case of Athens, and the population dropped drastically in numbers. Later in the Dark Ages somewhere in the range of 950 and 750 BCE), Greeks relearned how to compose by and by, yet this time as opposed to utilizing the Linear B content used by the Mycenaean’s, they embraced the letter set used by the Phoenicians "enhancing in a principal path by presenting vowels as letters.
The cause of this war was A because they were always at battle on the sea (US and British)