In 1986 the country of greece implemented decentralization dividing the country into regions each with its own administrative unit. before 1986, the country of greece was a most likely which of these?
a. authoritarian system
b. confederacy
c. federal system
d. unitary system

Option a: Authoritarian system.

Explanation:

The Greek constitution of 1986  was proposed to limit the power of the president of Republic, due to he was vested with a great power under 1975 constitution.

The politics of greece does take place in a parliamentary representative democratic republic a revision took place in 1986.

In that time the country of Greece did implement decentralization dividing the country in regions.  

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34