Your question is poorly worded. As written, there are no capitalized words in the sentence.
I believe you are asking which words need to be capitalized in the sentence.
Such words are highlighted below:
<u><em>T</em></u>he <u><em>F</em></u>ourteenth <em><u>A</u></em>mendment to the <em><u>C</u></em>onstitution made all races equal in their ranks of citizenship.
Lionel messi is an argentine professional footballer and he scored 5 goals in a single game which in year 2012 march 7 he played against <span>Bayer Leverkusen</span>