Final answer:
Costa Rica diversified its economy to include high tech manufacturing, making it one of the most stable countries in Central America.
Step-by-step explanation:
The country that diversified its economy to include high tech manufacturing, leading it to becoming one of the most stable countries in Central America, is Costa Rica.
Costa Rica has attracted multinational companies like Intel Corporation, which has a large microchip-manufacturing site in the country, contributing heavily to its economy. The stable economy and supportive environment for businesses have made Costa Rica a desirable location for high-tech manufacturing.
Costa Rica also relies on tourism and economic development to finance the country, attracting US tourists and retirees looking for a new home.