The pace of Cuban withdrawals has been even more controversial.
Cuban withdrawal would be a matter between Cuba and Angola.
They are the advance party of a 90-member United Nations team that is to verify the Cuban withdrawal.
The parties still have to agree on such things as ways to monitor the Cuban withdrawal.
He added that verification and monitoring of the Cuban withdrawal would be crucial to the peace process.
The Cuban withdrawal is to be completed in June, 1991.
The deadlock focused on verification of the Cuban military withdrawal from Angola.
Angola favors a Cuban withdrawal over a three-year period.
What was not agreed upon, was the Cuban withdrawal from Angola.
Therefore, he would have discussed his concerns about a Cuban withdrawal with Washington and Pretoria.