I think is the second one, two countries impose tariffs on each others products because a trade war is an economic conflict resulting from extreme protectionism in which states raise or create tariffs or other trade barriers against each other.
Because are strong and can fight for their right.
<span>The answer for the question above is letter "C. culture". What makes a group of people different from another are their cultures. That is composed of how they speak to one another, how they express themselves through arts and food. </span>
1.Switch to renewable energy
2.reduce methane leaks
3.pick power sources that use less water
4.minimise energy loss among wires
5.use only the voltage you need
6.use energy saving tools
