Yes. They both use currency.
Brazil
yes
probably Ecuador
Brazil does (2.1 trillion)
Christianity
Because they were counted as part of the European economy. At the time, Latin America was a colony of the Spanish, French and Portuguese empires.
Brazil is the largest economy in Latin America, in terms of volume (US$2.09 trillion)
They are mostly a farming economy and if the weather is bad it effects the plants.
European nations practiced a mercantilistic system in latin America
It is the second largest economy after Brazil, and roughly represents 25% of the region's GDP.
Bolivia is the poorest country in Latin America
Both are separate regions. The Americas are culturally divided between Anglo-America (the US, Canada) and Latin America (Mexico, Cuba, Argentina, Brazil) so Latin America cannot be 'in' the United States.