A little more than thirty years after it was invented, the was rapidly replaced by the

2. A little more than thirty years after it was invented, the

✔ telegraph

Explanation:

All of the answers:

1. Samuel Morse invented the

✔ telegraph

.

2. A little more than thirty years after it was invented, the

✔ telegraph

was rapidly replaced by the

✔ telephone

.

3. Today’s telephone uses the same basic

✔ voice technologies

that were used in 1876.

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

your answer will most likely be a.