The most accurate comparison between political developments in the two African regions, based on your provided options, is:
Governments in both West Africa and East Africa have faced the challenges created by a history of colonial rule.
This statement accurately reflects the common historical experiences of both regions, as they both faced similar challenges related to colonialism, including issues of governance, economic dependency, and social divisions that have influenced their political developments post-independence. The other statements contain inaccuracies regarding the timelines and characteristics of democratic governance across Africa.