The answer i believe is A. Hands off approach to the US economy
Emergency tariff act of 1921 : increased American purchasing power
Revenue acts of 1924 and 1926 : reduced income, gifts and inheritance taxes
Washington disarmament conference : decreased the size of navies around the world.
<u>Explanation:</u>
The emergency tariff act increased the rate of goods imported from foreign nation from tariff and were the inherited taxes. Revenue acts of 1924 was to cut federal tax rates which increased purchasing power.
Washington disarmament conference was to prevent the world war I by reducing the size of navies around the world. For this reason there was discussion about the naval disarmament so that the tensions which were growing in east Asia could be reduced and war could be avoided.
