Though confident in their own abilities, they knew that having multiple fallbacks was far better than being caught unprepared. With so few hands at their disposal, their best option was to build as many obstacles as possible to slow their enemies down.
And even when the pack eventually returned to reclaim this land, once the lingering biochemical traces had been dealt with, the traps would remain, ready for the pack's continued use of the traps for defense.
What none of the four realized, however, was that while each worked separately on their own section of the border, they were all thinking and doing the same thing.
While the four were busy setting up defenses along the border, Addison had already received reinforcements from the border patrol and immediately sent them to help with the harvest.