Select the phrase/connector from the given three options which can be used to form a single sentence from the two sentences given below, implying the same as expressed in the statement sentences.
The term automation was coined in the automobile industry about 1946. The term was used to describe the increased use of automatic devices and controls in mechanized production lines.
1. to
2. because
3. although
1
Only 1
2
Only 2
3
Only 3
4
Both 1 and 2
5
Both 2 and 3