<span>he did not offer it to former confederate officials or military officers because those officials and officers could start a rebellion </span><span />
Answer
The progress made under Gupta was;
• Development of Sanskrit literature
• Progress in metallurgy
• Invention of the modern system of numbers
• Religion was a noteworthy feature of Gupta culture
Explanation
The Gupta age was named the golden age of Sanskrit literature that was both the language of state, religion and culture. Rulers pay much attention to Sanskrit literature with great favors from Buddhists, Brahmins and Jainas.
Iron pillar located in New Delhi is one of the achievements in metallurgy during Gupta period. The pillar has been exposed to time and weather for 1600 years and is yet to rust. In addition to that, the invention of modern system of numbers marks one of the great progresses of Gupta period which is a foundation to our present day science and mathematics.
What are the "these" you speak of?
