Which is a controversial ethical issue? a. using drone aircraft in war zones b. using embryonic stem cells c. transplanting synthetic organs d. manufacturing synthetic limbs

Can someone me with this ! i only have 20 minutes to finish it. i will rate you the brainliest and 5 stars.. asap (98 points)

What did the crusaders wear? a.) gold crosses b.)wooden crosses c.)red crosses d.)silver crosses

Ineed this now complete the paragraph about social darwinism. social darwinism to justify by suggesting that it is natural and acceptable for powerful and wealthy nations to colonize regions that are less powerful. used this theory to justify the practice of political, economic, and cultural colonialism.