Complex sentence: Additionally, the CCP's largely unestablished presence in large urban centers prevented its policies from reaching those key economic hubs.iii Thus, by 1949, it became evident to CCP leaders that the centralization of political and economic resources was imperative to ensuring the party's success.
Split into simpler sentences: Additionally, the CCP's largely unestablished presence in large urban centers prevented its policies from reaching those key economic hubs. Thus, by 1949, it became evident to CCP leaders that the centralization of political and economic resources was imperative to ensuring the party's success.