Mexican Revolution revolution was in 1914, during the "Ypiranga" incident. When United States intelligence agents received word that the "Ypiranga", a German merchant ship, contained illegal firepower for Huerta, President Wilson ordered American troops to the port of Veracruz to stop the ship from docking. Wilson never actually declared war on Mexico. The United States skirmished with Huerta's troops in Veracruz. The "Ypiranga" successfully docked at another port and unloaded the arms, which greatly angered Wilson. The ABC Powers arbitrated and U.S. troops left Mexican soil, but the incident added to already tense Mexican-American relations. In 1916, in retaliation for Pancho Villa's
Marginal propensity to import ratio of the change in imports to the change in income, thus giving us a figure between 0 and 1. Imports are also considered to be automatic stabilisers that work to lessen fluctuations in real GDP. The UK government assumes that UK citizens have a high marginal propensity to import and thus will use a decrease in disposable income as a tool to control the current account on the balance of payments. Marginal propensity to import The marginal propensity to import (MPI) is the fractional change in import expenditure that occurs with a change in disposable income (income after taxes