The opportunity cost of a decision can be examined by using a
a. production possibilities graph. c. global trade-off grid.
b. factors of production chart. d. graph of increasing costs.

A

Explanation:

A is the right answer A

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, 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 change with the outbreak of war.  

the values of the selma marchers was to bring   their ability to vote into law. mlk was not hat march, which was protesting toward lbj