Recent elections in a relatively young and historically unstable country in East Africa saw record
numbers of voters, the peaceful rejection of an incumbent administration, the unprecedented access of media, campaigning marked by civility, and a renewing of nationalism.A) numbers of voters, the peaceful rejection of an incumbent administration, the unprecedented access of media, campaigning marked by civility, and a renewing of nationalism - numbers of is not idiomaticallyu correct. It should have been number of. The "renewing of nationalism" seems wordy.
B) voter turnout, the peaceful rejection of an incumbent administration, unprecedented media access, campaigning marked by civility, and a renewing of nationalism -
"The renewing of nationalism" seems wordy. Also, it means that the elections saw the renewing of nationalism in progress. That is contrary to what the intended meaning is - The elections saw renewed nationalism. The elections, thus saw the actual end result and not the renewing per say.
C) voter turnout, the rejection of an incumbent administration in a peaceful manner, the unprecedented access of media, campaigns marked by civility, and renewed nationalism - "The unprecedented access of media" does not seem to be idiomatic.
D) numbers of voters, the peaceful rejection of an incumbent administration, unprecedented media access, campaigns marked by civility, and renewed nationalism-
Numbers is wrongly used.
E) voter turnout, the peaceful rejection of an incumbent administration, unprecedented media access, campaigns marked by civility, and renewed nationalism - CORRECT - Uses appropriate parallel constructs