HIV can be transmitted during unprotected sex; through sharing injecting equipment; from mother-to-baby during pregnancy, birth and breastfeeding; and through contaminated blood transfusions. Using condoms during sex, or taking PrEP consistently will protect you from HIV infection through sex.
The helped to investigate and it does seem like proper behavior for the FBI.
Sectionalism refers to placing local interests above those of the nation. As the states started putting their own values before those of others the hostility grew in the years preceding the civil war. It was the slavery that divided the North and the South a led to the growth of the sectionalism.