Is it necessary to use GWT's history mechanism with MVP development?

Which is not a security weakness in GWT?

History management and view transition logic is the responsibility of a:

Which is not a HTML5 feature supported by GWT?

Which Java package is NOT emulated by GWT?

HTTP requests can be handled easily by:

What feature us used to build XSRF protection?

To use ClientBundle, which module do we need to inherit?

Do activities contain widgets or UI code?

To use RequestBuilder, which module do we need to inherit:

Which JAR has to be included in the WEB-INF/lib for deployment?