paper
It helped people communicate.
You can communicate and find items, things, or people much easily.
The Morse code.
After the invention of the telephone, people could communicate faster and more easily. Because of this, it was easier for people to make business transactions.
to communicate
The invention of writing allowed people to communicate more broadly than had previously been done.
Making it easier to communicate with people.
His invention, the telegraph, was used for communication. It presented a faster and easier way to communicate rather than through letters.
It made it easier to communicate. It speeded up commerce and provided for greater business opportunities
sacagewea
it helped people communicate with each other
The Steel Plow helped the people a lot.