The correct answer is:
The children are wearing loose clothing. The children are exposed to dangerous machinery. The children are not wearing any protective gear.
These are some of the dangers these child workers were exposed to.

Answer: I think this is the case, because despite there being an abundance of water on Earth. Clean and purified water in some countries is hard to come by, and distribution is meager.
The illegal voting would have been stopped or a least greatly reduced with the implementation of proper voter registration and state IDs. Of course, with the rudimentary technology of the era, falsification of ID documents would have been relatively easier than it is today. However IDs and voter registration would have presented an additional obstacle to border ruffians.
The violence would only have been stopped by the concourse of a national guard, a state police and civil deputies from the state protecting voter, voting locations and the transportation of ballots.
Tobacco and alcohol products carry government excise tax stamps
To bring back gold to Spain.
and
To spread the message of Christianity.