Evaluate some goals and challenges of U.S. involvement in wars in Afghanistan and Iraq.

To evaluate the goals and challenges of U.S. involvement in wars in Afghanistan and Iraq, we first need to gather information and analyze historical facts. Here's how you can find the answer:

1. Research the goals of U.S. involvement: Begin by exploring the official statements, policy documents, and speeches made by U.S. government officials and military leaders at the time of the wars. Look for sources such as White House archives, Pentagon press releases, and official documents related to these conflicts.

2. Review historical context: Understand the historical context that led to U.S. involvement in these wars. Study events such as the September 11, 2001, terrorist attacks (which led to the invasion of Afghanistan) and the belief that Iraq possessed weapons of mass destruction (which led to the invasion of Iraq).

3. Examine official justifications: Analyze the reasons provided by the U.S. government for each war. These may include combating terrorism, removing oppressive regimes, promoting democracy, protecting national security, or preventing the proliferation of weapons of mass destruction. Look for official documents like the Authorization for Use of Military Force (AUMF) for Afghanistan and Iraq.

4. Assess long-term goals: Evaluate the overarching objectives the U.S. aimed to achieve in both countries. These may include building stable democratic governments, neutralizing terrorist threats, promoting economic development, ensuring human rights, and establishing security.

5. Study operational challenges: Investigate the challenges faced by the U.S. military and coalition forces during the wars. These can include asymmetric warfare tactics, insurgencies, sectarian violence, regional complexities, cultural differences, and limited public support domestically and internationally.

6. Analyze geopolitical consequences: Consider the geopolitical implications and unintended consequences of U.S. involvement in Afghanistan and Iraq. Assess factors such as the growing influence of neighboring countries, strained international relationships, the rise of new extremist groups, and the impact on global security dynamics.

By following these steps and conducting thorough research, you can evaluate the goals and challenges of U.S. involvement in the wars in Afghanistan and Iraq. Remember to consult varied and reliable sources to establish a comprehensive understanding of the subject matter.