Complex sentence: Proposed in 1947, it aimed at the management of public spending and investment in key sectors in the country but only began to receive funding from the budget in 1949, being forgotten in 1951.
Split into simpler sentences: Proposed in 1947, was aimed at the management of public spending and investment in key sectors in the country. However, the project only began to participate in the budget planning in 1949, being forgotten in 1951.