In the 15th and 16th Centuries,the Medici family of Florence made a number of art investments with their political and economic power to increase their influence.While the motives for their investments involved some political,economic and social considerations,they still had a multifaceted influence on the development of art and the Renaissance movement.As the influence of the Medici family expands in Europe,art investments are made in various European countries,contributing to the development of the Renaissance and the spread of humanist ideas.