1.   This led to wild rumours of American involvement in the attack.

2.   Earlier than most Americans he saw that this might not be possible without some American involvement.

3.   This was part of a wider search for lasting American involvement in Europe.

4.   There were the usual fears that American involvement might soon reduce the British to the status of a junior partner.

5.   Influential groups in Washington began to urge yet more American involvement.

6.   The US Government learnt of The New York Times plan to publish a set of army research papers on the history of American involvement in Vietnam.

7.   As the war went on, opposition to the stepped-up American involvement grew more and more intense in the United States.

8.   A detailed narrative tracing American military involvement in Vietnam.

9.   A few hours later, Clinton gave the go-ahead to American involvement.

10.   But a senior Bush administration official emphasized that such questions would have to be negotiated by Pakistan and India, which has resisted direct American involvement.