Which example might cause trade to be limited between countries
a)the lifting of an embargo
b)tariff reduction on imports
c)a quota on imports and exports
d)decreasing safety standards on exports

As of 2013, the world’s total population was about

Segregation or discriminatory practices that occur even when there is no explicit legal enforcement

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between