Answer:
I think it was all of them above?
Explanation:
Prior to the Qing Dynasty, China had resisted foreign influence because they "were geographically too hard to reach" since many mountain regions provided protection.
It affects its trade because of the products that is being
produced will affect time of shipping and having it to be delivered. It is
because of their season having winters and cold seasons, it is difficult to
have crops grow in the field and to even fish in the sea because of the
seasons. This will affect the trade if the products has delayed with its
delivery and production.