CTL, in all of those countries the Catholic Church is very strong. This does not contradict socialist and even Marxist governments. While in the US and Europe the Church has been conservative in Latin America it has a strong leftist strain. After all, Yushki kicked the money-changers out of the Temple and condemned the rich.
Ubiquitin, you also have foreign ideas. “Tzedaka” is not equivalent to “charity”. A person who starts a business and boosts employment is giving tzedaka but not charity. Rabbi Prof. (Emeritus) Israel Kirzner discusses the role of the entrepreneur in expanding the pie. You can find his ideas summarized on Google.
I did not find who says that government should not legislate morality but in fact almost all laws involve legislating morality. Laws that punish theft, fraud, etc. all legislate morality.