What characteristic of costa rica has contributed to its having the most stable government in central america?

Costa Rica supressed the army in 1948, the year of the last civil war. Not having armed forces, the successive Costa Rican governments have been able to spend more resources on social issues, and local politics has enjoyed more stability and peace.

Explanation:

if he does not use open the compass the a width greater than half of po, he will not be able to find the midpoint of the line, without the midpoint of the line, he will not be able to bisect the line.   to find the midpoint of a line the circles drawn with a compass must either intersect or be touching.