Complex sentence: Due to inadequate funding the conservation was at a low key with the result international conservation agencies got into the act with financial and technical support which resulted in Chile setting up a Rapa Nui Monuments Board which enabled actions to be taken independent of the government.
Split into simpler sentences: Due to inadequate funding the conservation was initially at a low level, with the result that international conservation agencies became involved with financial and technical support. Chile responded by setting up a Rapa Nui Monuments Board which enabled actions to be taken independent of the government.