The american system promoted which of the following? (choose all answers that apply.)
the establishment of a national bank to centralize currency and the requirement of states to back their currency with gold.
the creation of a standing military ready to defend the nation from adversaries.
an investment in infrastructure with new transportation routes that improved time, efficiency, and were cost-effective.
the promotion of protective tariffs to ensure that newly developing industries would survive.
the promotion and participation in an interdependent trade network across the globe.
a reach out program to the british asking for allied support as a new and independent nation.

The correct answers are: A, C and D.

The 'American System' was a government-sponsored program to harmonize and balance the nation's agriculture, commerce and industry following the war of 1812.

The system consisted of three mutually reinforcing parts:

- the establishment of a national bank to foster commerce. The bank would promote a single currency to make trade easier,

- federal subsidies for roads, canals and other means of transport to improve the overall efficiency of infrastructure,

- the promotion of protective tariffs to protect America industries and generate revenue for the federal government. The tariffs were a 20% to 25% tax on imported goods to protect the businesses from foreign competition.

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds