C. because the printing press had to be used manually so it took a really long time.
Answer: a. The War Production Board helped factories quickly shift from only making consumer goods to making war materials.
Explanation:
A key part of the U.S. being able to join the Second World War and contribute so effectively in the time that it did, was the War Production Board's efficiency in shifting American consumer production to war materials for use by the U.S. military and the Allies.
Thanks to the Board, companies shifted their focus from consumer goods even though there was initially some massive pushback. Following a national campaign, opposition subsided and the U.S. was able to pump out so much war material that the war would not have been won without.
According to my point of view, the main purpose of government is to establish a secure system to maintain liberty and livelihood, make sure people are getting enough money to liver better and above poverty line.
Because, if people are secure and have liberty but government is not doing anything about that. people are not survive and it will lead to disruption.
They are elected for a period of 2 years