The atlantic slave trade: what spurred (or prompted) the growth of the slave trade in the americas?

The need of labor in plantations in the Spanish and British colonies as a consequence of the great mortality of the local Native Americans wiped out by Old World's diseases they had no immune defense for. These plantations produced commodities in high demand in Europe such as sugar, tobacco and cotton. Even though slavery had ben abolished in Europe by the Catholic Church as early as the sixth century, the chances of becoming rich by means of producing the above mentioned crops were so high that even the Church overlooked this highly immoral practice.

the three answers (for plato at least) are:

b-condemned sola fida 

d-set rules for establishing seminaries and for educating clerics in the seminaries 

f-recommended moderation in the sale of indulgences and banned the sale of false indulgences 

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.