Whereas, on the twenty-second day of September, in the year of our Lord one thousand eight hundred and sixty-two, a proclamation was issued by the President of the United States, containing, among other things the following, to wit: –Emancipation Proclamation,

Abraham Lincoln

What does the term "proclamation" mean in this context? Check all that apply.

an official public announcement
a legal declaration
an advertisement
a testimony
a publication

Incomes of u. s. households in the 1970s and 1980s a. grew rapidly, due to the widespread success of labor unions in pushing up wages during those decades. b. grew rapidly, due to several increases in the minimum wage during those decades. c. grew rapidly, due to government policies that discourage the importation of foreign products during those decades. d. grew slowly, due to slow growth of the output of goods and services per hour of u. s. workers' time during those decades.