Answer:
In the three years since President Wilson's initial position on the issue, several events and developments may have influenced his change of stance. For example, new information or evidence may have come to light, or there may have been shifts in public opinion or political pressure that prompted the President to re-evaluate his position. Internal factors such as changes in the President's advisors or personal beliefs may have also played a role. With further information on the specific issue and context, it is possible to say for sure.
Step-by-step explanation: