The India Vedic age, which span between 1500 BC to 1100 BC, often known as Heroic age of an acient Indian civilization.
The lack of roads affected trade during this period by limiting marketing activities to river navigation only, which is often costlier to use and limited to access when there is heavy flow of river, it also no flexible.
Also, the lack of coins affected trade as it limits the transaction of goods and servuces to trade by barter means of transaction only, which often times can be difficult to measure and find market or direct consumers.
I got this answer searching for each answer choice and when I search pemba the same photo that u have its a pemba and when I search the other answer choices they were different things.
