Over the last century in the United States there has been an increase in as a percentage of total output. Farming, international trade, and manufacturing. Services, government, and international trade. Manufacturing, government, and services. Services, farming, and construction.

Services, government and international trade.

Explanation:

The role of services, and international trade to the gross domestic product (GDP) of the United States economy is very important. Services with their increasing importance in the world economies are becoming vital in the economic growth of many countries.

In the United States, the relationship between growth in the services sector and economic growth has become stronger since two decades ago as it's contribution to the GDP has increased.

International trade which is the exchange of goods, capital, and services across international borders also represents a significant proportion of the gross domestic product of the United States.

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

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