Electrical energy is transmitted over large distance at high alternating voltage . Which of the following statement are correct ?

Question

$\begin{array}{1 1} \text{For a given power level, there is a lower current,Lower current implies less power loss } \\ \text{Transmission lines can be made thinner } \\ \text{It is easy to reduced the voltage at the receiving end using step -down transformers } \\ \text{all the above} \end{array}$