During the government of Ashraf Ghani in Afghanistan, they used the trade route of Iran. In the favour of India, previous government stopped the trade route of Pakistan which was the better option for them.
Now, the new government in Afghanistan is going to shift back the trade route to Pakistan via Chaman and Torkham border. The trade route has a trade of $3 Billion. The economy will increase because of the trade route which is $3 billion.
Afghanistan will also trade through Gwadar port and going to become part of the China-Pakistan Economic Corridor which will also enhance the diplomatic ties between both countries