Shakas – Kushanas introduced better cavalry & use of riding horses on large scale along with use of turban, tunic, trousers & longcoats. 

• Kushanas were the 1st ruler in India to issue gold coins on wide scale & controlled major part of silk trade. 
• Kushanas adopted pompous titles as King of Kings & were called Sons of god like Asoka was called dear to gods. 

Source: Old NCERT.