The enduring legacy of communist control of Bulgaria is . - the national government
- a system of hydroelectric
- a contaminated environment
- the modern Bulgarian military

A) The national goverment

Explanation :

Bulgaria is a parliamentary democracy. Until 1989, a communist government controlled the country. Bulgarians ratified the current constitution in 1991. Citizens 18 and older may vote. The president commands the armed forces and selects the prime minister and cabinet. The 240 members of the National Assembly make up the legislative body. The Constitutional Court decides if laws agree with the constitution.

the answer is b. apsidal precession

the first phase of the government’s plan for settlement was building the transcontinental railroad. the railroad provided a way to bring settlers and manufactured goods west and ship their agricultural and mining produce east. the transcontinental railroad was an essential artery for rapid development of the frontier.

the second phase of the government’s plan was a liberal land distribution policy that made it possible for many people to homestead. with these two key elements—transportation and cheap land—the government rapidly achieved its goal of persuading people to move west, settle on farms, and push back the frontier.