While giving a speech in class, a student’s heart begins to pound and her palms start to sweat. these physiological reactions were activated by her nervous system?

"when parents are their children are likely to react in a concerned way to the distress of others. warm and sensitive permissive authoritarian attentive, but discourage emotional expressiveness"

In 1990, the average income for an american worker was $1,518 per month. in 2000, the average income for an american worker was $2,632 per month. during this time period, a basket of necessities (food, housing, etc.) increased from $657 per month in 1990 to $1,402 per month in 2000. the real value of income ▼ increased decreased over that 10-year period.

Who gave the famous "i have a dream" speech at the march on washington?