What is least likely a potential barrier to using improved sanitation systems in low- and middle-income countries?

can you give a picture of the map, i'll be able to update my answer!

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.