The construction of new highways and the expansion of the railway network in Assam are aimed at:

Improving connectivity
Reducing transportation costs
Boosting trade
All of the above

The correct answer is: d) All of the above.

The construction of new highways and the expansion of the railway network in Assam are aimed at improving connectivity, reducing transportation costs, and boosting trade.

  • Improving connectivity means making it easier for people and goods to move around the state. This will help to reduce travel times and costs, and make it easier for businesses to operate.
  • Reducing transportation costs will make it cheaper to move goods around the state, which will help to boost trade.
  • Boosting trade will help to create jobs and economic growth in the state.

Overall, the construction of new highways and the expansion of the railway network in Assam are positive developments that will have a number of benefits for the state.