How were americans of german descent treated during wwi

World War I had a devastating effect on German-Americans and their cultural heritage. Up until that point, German-Americans, as a group, had been spared much of the discrimination, abuse, rejection, and collective mistrust experienced by so many different racial and ethnic groups in the history of the United States. Indeed, over the years, they had been viewed as a well-integrated and esteemed part of American society. All of this changed with the outbreak of war.

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the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.