What is compulsory voting, and how does it apply to brazil?

Compulsory voting is a system in which voters are obliged to vote in elections or attend a polling place on voting day. If an eligible voter does not attend a polling place, he or she may be subject to a penalty such as fines or community service. Voting is compulsory for Brazilians aged 18 to 70. Voting in Brazil is optional for citizens who are aged 16 and 17, and are older than 70 or are illiterate. Compulsory voting is an effect of laws which require eligible citizens to register and vote in elections.

Explanation:

моля да ми помогне с английски език аз не разбирам

molya da mi pomogne s angliĭski ezik az ne razbiram