What was the purpose behind the convention of 1870? ?

The purpose was  to determine if a constitutional convention should be called to amend or replace the 1835 constitution and to elect delegates to that convention if the voters determined that it was to be held.

you didn't give any answers to choose from so i can't with this but, i do know something that the mexican government would be worried about and that is the wall that donald trump is currently trying to get up.

billygate was not one of the scandals