"<span>The United States had a democratic system, and the Soviet Union
had a single-party system" would be the best option since the USSR was
communist.
</span>
Answer:
The answers are,
B. Less risk of the central government trampling citizens' rights
D. Citizens have closer ties with their state governments
Explanation:
As the centralization of power lacks in this system, people are more exposed to the state governments and the central government has very little opportunity to disturb individual citizen rights.
Moreover, local issues regarding social welfare and social economy could be resolved easily and quickly as the decision making power lies with the state government and therefore, the process is much productive and faster.
Word credibility can be defined as the believability of words.
Problems associated with the "urban machine" were that they were undemocratic and were corrupt. They moved the political system to allow candidates to win based upon vote-buying, coercion, and other corrupt methods. They were therefore effective or ineffective depending on the relationship you had with the machine and also whether or not you wanted to see a democratic system or not.
After World War II, there was a great movement of decolonization, with many colonies reaching independence from their parent countries. After the war, countries had to focus on rebuilding themselves and their economy, which led to a liberation of many colonies.
An example of that is India, that gained its independence from Britain in 1947. We can also mention Libya, Pakistan, Myanmar and Sri Lanka, as countries that reached independence right after WWII.