The significant differences between "old" Prussia and the newly acquired territories complicated the debate.

Generational differences that arise among Hispanic shoppers further complicate things for grocers.

In addition, environmental and genetic differences between patients can complicate analysis.

Furthermore, even if all parties are involved, ideological differences of policy priorities complicate the ability to create a combined approach based on consensus.

The difference in weapons complicates this, though.

Some differences between the new data and the old data complicate the picture.

The differences in definitions complicate the monitoring of targets for access.

The changing statutes and differences among the states complicated the situation of female authors.

These differences in wealth complicate the search for solutions to shared problems.

The variations in end-user requirements and the differences between the 'multicurrency' solutions on offer further complicate the selection process.