in order to stop the spread of industrial technology, britain\n○ closed companies suspected of sharing…

in order to stop the spread of industrial technology, britain\n○ closed companies suspected of sharing secrets.\n○ penalized companies harshly for any hint of a leak.\n○ searched for spies in all industrial and manufacturing companies.\n○ forbade mechanics, engineers, and others from leaving the country.

in order to stop the spread of industrial technology, britain\n○ closed companies suspected of sharing secrets.\n○ penalized companies harshly for any hint of a leak.\n○ searched for spies in all industrial and manufacturing companies.\n○ forbade mechanics, engineers, and others from leaving the country.

Answer

Brief Explanations:

During the industrial - era, Britain forbade mechanics, engineers, etc. from leaving the country to prevent industrial technology spread. This was a key measure to safeguard its technological edge. Other options like closing companies, harsh penalties, and searching for spies were not the main way to stop technology spread compared to restricting skilled workers' emigration.

Answer:

forbade mechanics, engineers, and others from leaving the country