What is often called economic globalization usually involves greater economic flows among different countries of the world. Choose the correct statements from the following about the features of economic globalization.
1. The restrictions imposed by different countries on allowing the imports of other countries have been reduced.
2. The restrictions on the movement of capital across the countries have been increased.
3. Developed countries carefully guarded their borders with visa policies to ensure that citizens of other countries cannot take away the jobs of their own citizens.
1. 1 and 3 only
2. 2 and 3 only
3. 1 only
4. All the above