Answer:
WW2 started on September 1, 1939 and ended on September 2, 1945. It started when Germany invaded Poland
Explanation:
It was the "steel" industry that benefited most from the Bessemer process. Process involved impurities that could be removed from steel more easily.
The answer is A.
The feudal system would follow from the king down to the serfs.
What is confusing is the lords vs. knights. Lords will rule over knights and knights will rule over serfs.
Meaning the system kind of looks something like this:
King
Lord — Lord — Lord
Knight — Knight — Knight — Knight — Knight — Knight
And serfs
Hope this helps, have a great day!
The answer might be organization<span> of the Petroleum Exporting Countries </span>