What are the differences between OS VS COBOL and VS COBOL II?

The following are the differences
1. OS/VS COBOL programs run only in 24 bit addressing mode
VS COBOL II programs run either in 24 bit or 31 bit addressing modes
2. Report writer is supported in OS/VS COBOL
Report writer is not supported in VS/COBOL II
3. USAGE IS POINTER is supported in VS/COBOL II
USAGE IS POINTER is not supported in OS/VS COBOL

4. Reference modification, ex: WS-WAR(1:2), is supported in VS/COBOL II
Reference modification is not supported in VS/OS COBOL II
5. EVALUATE is supported in VS/COBOL II
EVALUATE is not supported in VS/OS COBOL II
6. Scope terminators are supported in VS/COBOL II
Scope terminators are not supported in VS/OS COBOL II
7. OS/VS COBOL follows ANSI 74 standards
VS COBOL II follows ANSI 85 standards
8. Calls between VS COBOL II programs are supported under CICS
Calls between OS/VS COBOL programs are not supported under CICS