The outcomes of increased illegal immigration is the most likely when a nation has open borders.
Answer: Option C
Explanation:
The open borders means there is no restrictions in the movement of people as well as other materials between nations. So, in that case, the borders won’t be secure enough to check the immigration process of persons between them.
The trade will not be affected much as you have to pay the tax even if the borders are open borders but yes the security will be less. So, this will endanger the security of the nation with open border and also there will increase in the number of illegal immigration or illegal trafficking of humans across the open borders.