The right answer is during the 1960's.
The Categorical grants, are grants issued by the United States Congress for pre-established purposes. Its objective is to be used in state and local expenditures such as infrastructure development or to strengthen education. During the 1960s, categorical grants in the United States increased dramatically from which most were project grants. The aims of the categorical grants were to make taxpayers out of tax eaters and to redistribute wealth. Many perceive this time as the rise of the welfare state.
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