Explanation:
a unitary system is lead by one governing system
federal gives authority to state and local systems
"We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution<span> for the United States of America.</span>
To become stronger. This is in WWI right? They supported eachother.
1954, i think, i might be wrong. proceed with caution.
I believe it's C. Skilled Labor.
