I’ll give brainlist to whoever gets it correct What effect did the Columbian Exchange have on slavery in America?

A. Slavery decreased because the introduction of horses decreased
the need for manpower.

B. Slavery increased because workers were needed to grow
sugarcane.

C. Slavery increased because workers were needed to run machines
in factories.

D. Slavery decreased because the introduction of European diseases
decreased the slave population.

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

Anagnos: . . it will no doubt be difficult for you there, annie. but it has been difficult for you at our school too, hm? gratifying, yes, when you came to us and could not spell your name, to accomplish so much here in a few years, but always an irish battle. for independence. (he studies annie, humorously; she does not open her eyes.) this is my last time to counsel you, annie, and you do lack some – by some i mean all – what, tact or talent to bend. to others. and what had saved you on more than one occasion here at perkins is that there was nowhere to expel you to. what do anagnos's words reveal about annie in this excerpt

How did the congress of the first national government raise money?