The correct option is this: INDICATORS MEASURE STANDARD OF LIVING.
The standard of living of people in a particular country refer to the amount of wealth or comfort ability that is available to them. The indicators of standard of living are those factors that are used to measure the standard of living of a particular country. The principal indicator that is used in economics to measure the standard of living is real GDP per capita. GDP stands for the Gross Domestic Product of a country.
The president can veto any bill passed by Congress, but a two-thirds vote in Congress can override the veto, and the Supreme court can rule it constitutional or unconstitutional.
As for Britain's response, it was initially no more than the dropping of anti-Nazi propaganda. leaflets-13 tons of them- over Germany. They would begin. bombing German ships on September 4, suffering significant losses.