Which term refers to the possibility of an investor losing some or all of an investment?

Which term refers to the possibility of an investor losing some or all of an investment?

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.