Which of these is an example of economic transformation that occurred in the early 20th century? a) the united states negotiate a peace agreement between japan and russia. b) the united states increased its size drastically by purchasing the territory of alaska from russia. c) president lyndon b. johnson supported a “flexible defense” strategy in response to perceived communist threats. d) president taft instituted the practice of “dollar diplomacy” through financial interventions in central america.

The correct option is D

The diplomacy of the dollar is a model of foreign policy of the United States -particularly manifested during the presidency of William Taft- in which US dominance is sought over several strategic countries for this nation (mainly those located in Latin America and Central Asia) through the use of its superior economic power as a guarantee of concession and long-term maintenance of credits and investments to those countries.

answer; i believe its a

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.