Answer:
In October 1979, after more than 13 years of military rule, Nigeria returned to democratic rule. The National Party of Nigeria emerged victorious in the presidential election and Alhaji Shehu Shagari became the first democratically elected President.
Explanation:
Roads contributed to an empire's success because it allowed free trade and communication, as well as thorough sharing of ideas and beliefs between different countries and established groups.
The policy described is domestic policy as it takes place within U.S. borders. The answer can't be foreign policy as that would be policy applying outside the country. Neither can it be either of the other two because the question has nothing to do with the functions of trade or judiciary "law making" via the interpretation powers granted to the judicial branch.