about how long a ago did humans arrive in the Americas? A.15,000 years ago. B.100,000 years ago. C.1,500 years ago. D.50,000 years ago​

How long ago was the fall of rome (in years)

Read the following excerpt from president roosevelt's july 24, 1933, fireside chat. for many years the two great barriers to a normal prosperity have been low farm prices and the creeping paralysis of unemployment. these factors have cut the purchasing power of the country in half. i promised action. congress did its part when it passed the farm and the industrial recovery acts. today we are putting these two acts to work and they will work if people understand their plain objectives. which qualities of effective leadership does roosevelt use in this excerpt? select all that apply. humility communication self-confidence goal setting

1)which is the following was characteristic of the british colonies but not the french or spanish religion a. presence of slavery b. religion conversion c. smuggling and piracy d. strict racial hierarchy 2)how did the columbia exchange affect europe? a diseases from the new world decimated the population of the european continent b new crops introduced to europe generated further interest in the new world c enslavement of american indians in europe changed cultural attitudes toward slavery d the items produced by american indians become objects of competition in europe