Pert refers to program evaluation and review technique, which was developed in the 1950s to better understand how variability in the individual activity durations impacts the entire project schedule. true false

Explanation:

PERT is a project management tool. It is used to find  time it will take to finish a project. It is a chart used to plan the tasks within a project to make the scheduling and coordinating  of team members to accomplish the work. It was developed in 1950s to efficiently manage the the defence projects and creation of weapons in US navy. A similar method that was used in private sector called Critical path.

answer; (a) he was a u.s senator for 38 years;

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.