Intragroup.
An intragroup conflict is a conflict that takes place between one sector or group. The group being the United States, so their was a conflict inside the United States which makes it intragroup.
She was 63 years old when she died.
You can call it "The Effect of Climate Change".
From March to May, Mexican forces once again occupied the Alamo. For the Texans, the Battle of the Alamo became a symbol of heroic resistance and a rallying cry in their struggle for independence. ... In May, Mexican troops in San Antonio were ordered to withdraw, and to demolish the Alamo's fortifications as they went.