TASK DEFINITION: In this task, you are given a sentence in English and your task is to translate it into Spanish. In translation, keep the numbers and capitalization (capitalize only the first word of each sentence and name).
PROBLEM: Human labour, on the other hand, is considered to be a simple factor in the equation.

SOLUTION: En cambio, el trabajo de las personas es considerado un simple factor de ajuste.

PROBLEM: It is regrettable that we do not have any instrument with which to give assistance in situations like this.

SOLUTION: Es lamentable que no tengamos un instrumento con el que prestar asistencia en situaciones como ésta.

PROBLEM: These include, amongst others, the incorporation into the Treaty of security and defence issues, which have made much progress recently, but which must be incorporated into the Treaty.

SOLUTION:
Entre otros, aquellos que se refieren a la incorporación al Tratado de las cuestiones de seguridad y defensa, temas que han avanzado mucho en los últimos tiempos pero que deberán ser introducidos en el Tratado.