Sentence Correction (SC) | Re: In the early nineteenth century, as land and resources

In the early nineteenth century, as land and resources became more scarce in the western universities, most scientists renounced their home townsto join factions whose access to resources was less restricted.

A. to join factions whose access to resources was less restricted
B. to join factions where there was access to resources that was less restricted----------- too wordy
C. joining factions where there was less restricted access to resources---------------------joining is wrong
D. to join