Answer:
In June 1863, Confederate general Robert E. Lee and his Army of Northern Virginia invaded the North in hopes of relieving pressure on war-torn Virginia, defeating the Union Army of the Potomac on Northern soil, and striking a decisive blow to Northern morale.
Is it possible to avoid it? Yes I believe so for certain well developed countries with many resources.
For smaller, underdeveloped countries it would prove possible if population willing to go without the certain product or service. If they have never had it they won't miss it.
That question has many factors to consider.
According to Erickson's theory of psycho-social development, and going by the description above, Tom is demonstrating FIDELITY.
The stage of Fidelity occurs during adolescence (Age 12-19) which should be the range of Tom's age, being an high school senior. His goal and dedication to become a Medical Doctor characterizes the existential question of the Fidelity Stage: Who am I? Who can I be?.