4. The American System promoted which of the following? (Choose the THREE answers that apply.) A The establishment of a national bark to centralize currency and the requirement of states to back their currency with gold. B The creation of a standing military ready to defend the nation from adversaries. C An investment in infrastructure with new transportation routes that improved time, efficiency.and were cost-effective. D The promotion of protective tariffs to ensure that newly developing industries would survive. E The promotion and participation in an interdependent trade network across the globe.

## Step 1<br />The American System was a program of economic, diplomatic, and military measures enacted during the early 19th century under the leadership of Henry Clay. The main goal of this system was to foster economic independence and growth in the United States.<br /><br />## Step 2<br />The American System focused on three main areas: the establishment of a national bank, the promotion of protective tariffs, and the investment in infrastructure.<br /><br />## Step 3<br />The establishment of a national bank was aimed at creating a uniform currency and facilitating trade. This is represented by option A.<br /><br />## Step 4<br />The promotion of protective tariffs was intended to protect the newly developing industries from foreign competition. This is represented by option D.<br /><br />## Step 5<br />The investment in infrastructure, particularly transportation routes, was aimed at improving efficiency and reducing costs. This is represented by option C.<br /><br />## Step 6<br />The American System did not focus on the creation of a standing military ready to defend the nation from adversaries, nor did it promote and participate in an interdependent trade network across the globe. These are represented by options B and E, respectively.