which two locations can library dependencies be defined for a web application?

In which two locations can library dependencies be defined for a web application? (Choose two)

A.
the web application deployment descriptor

B.
the /META-INF/dependencies.xml file

C.
the /META-INF/MANIFEST.MF manifest file

D.
the /META-INF/MANIFEST.MF manifest of a JAR in the web application classpath