Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.

[Q]: The National Minimum Drinking Age Act of 1984 ( 23 U.S.C. § 158 ) was passed by the United States Congress on July 17 , 1984 . It was a controversial bill that punished every state that allowed persons below 21 years to purchase and publicly possess alcoholic beverages by reducing its annual federal highway apportionment by 10 percent . The law was later amended , lowering the penalty to 8 percent from fiscal year 2012 and beyond .
[A]: National Minimum Drinking Age Act


[Q]: The Union of South Africa ( Dutch : Unie van Zuid - Afrika , Afrikaans : Unie van Suid - Afrika ) is the historic predecessor to the present - day republic of South Africa . It came into being on 31 May 1910 with the unification of four previously separate British colonies : the Cape , Natal , Transvaal and Orange River colonies . It included the territories formerly part of the Boer republics annexed in 1902 , the South African Republic and the Orange Free State .
[A]: Union of South Africa


[Q]: Blood plasma is a yellowish coloured liquid component of blood that normally holds the blood cells in whole blood in suspension ; this makes plasma the extracellular matrix of blood cells . It makes up about 55 % of the body 's total blood volume . It is the intravascular fluid part of extracellular fluid ( all body fluid outside cells ) . It is mostly water ( up to 95 % by volume ) , and contains dissolved proteins ( 6 -- 8 % ) ( i.e. -- serum albumins , globulins , and fibrinogen ) , glucose , clotting factors , electrolytes ( Na , Ca , Mg , HCO , Cl , etc . ) , hormones , carbon dioxide ( plasma being the main medium for excretory product transportation ) and oxygen . Plasma also serves as the protein reserve of the human body . It plays a vital role in an intravascular osmotic effect that keeps electrolytes in balanced form and protects the body from infection and other blood disorders .
[A]:
Blood plasma