Question

define lifeline of country
​

Answer 1

Answer:

The means of transportation and communication are called the lifelines of a nation and its economy because they are the preconditions for progress and development

Explanation:

it is correct answer for your Q hope is helpful and please give me thanks

Answer 2

Answer

• The means of transportation and communication are called the lifelines of a nation and its economy because they are the preconditions for progress and development.

@ll the best :)