Complex sentence: In addition, the government began to nationalize foreign-owned plantations and mines, investing in the industries of rubber, copra, and tin, however the facilities were noted to be ill-maintained, which ultimately harmed Indonesia's economy under Sukarno.
Split into simpler sentences: In addition, the government began to nationalize foreign-owned plantations and mines, investing in the industries of rubber, copra, and tin. However, the facilities were noted to be ill-maintained, which ultimately harmed Indonesia's economy under Sukarno.