व्यापार नीति उपकरणों के संदर्भ में, निम्नलिखित में से किसे टैरिफ (प्रशुक) उपाय माना जाता है? I. निर्यात कर II. आयात कर

Which of the following is a key objective of trade regulations?

The policy of import substitution promotes ______.

Which trade policy strategy was predominantly adopted by India during the 1950s and 1960s?