What does alliances mean in your own words

What else happens in your cardiovascular system in response to your sympathetic nervous system? why might your blood vessels need to expand to accommodate this?

Two people are negotiating to resolve a conflict. they both have their own ideas about what caused the conflict, but their ideas are very different. which they do to gain more insight into because of the conflict?

What kind of wound occurs the skin scrapes against a hard surface and tiny blood vessels break in the outer layer of the skin