History of English

1) what types of groups were influential in the formation of the old language?
the Germanic, the Celtic, the Angles, the Saxons, and the jutes
http://www.englishclub.com/english-language-history.htm 
2) What modern languages stem from the "roots"of modern language
Scandinavians, dutch,french, and germanic
http://www.englishclub.com/english-language-history.htm
3)What year marks a famous "conquest" or an invasion that greatly influenced the development of English?
In 1066 William the conqueror, the Duke of Normandy invaded and conquered England
http://www.englishclub.com/english-language-history.htm 
4) Name two famous works of Old English?
Beowulf and Welland
5) Name an invention that contributed to the spread of the English language?
The printing press helped spread the English language because it now became a common language so more books were printed and with these books you and spread the English language to other countries. 
http://www.englishclub.com/english-language-history.htm
6) What forces have helped Modern English become the closest thing to a common world language?
The 2 nations that helped were the United States and Britain because their influence help bring about new technology and the industrial revolution.
 http://www.englishclub.com/english-language-history.htm
7) Do you think Modern English will still be the “common world language” in fifty years?
Yes I do think the modern language will still be the "common world language" because the language is always changing to fit the next generation. It never ends they are always making more hings into English soon, English will be the number 1 language in the world.